Home / 16,108.87-22,220.41-10,657.93

Finding the Fourth Proportional to 16,108.87, 22,220.41 and 10,657.93

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Solution

The fourth proportional to 16,108.87, 22,220.41 and 10,657.93 is: 14,701.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,108.87 : 22,220.41 = 10,657.93 : x
  2. Step 2: Convert to fraction form
    16,108.87/22,220.41 = 10,657.93/x
  3. Step 3: Cross multiply
    16,108.87x = 22,220.41 × 10,657.93
  4. Step 4: Simplify right side
    16,108.87x = 236,823,409.96
  5. Step 5: Solve for x
    x = 236,823,409.96/16,108.87
  6. Step 6: Final answer
    x = 14,701.43

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.