Home / 16,116.15-22,239.93-8,945.64

Finding the Fourth Proportional to 16,116.15, 22,239.93 and 8,945.64

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Solution

The fourth proportional to 16,116.15, 22,239.93 and 8,945.64 is: 12,344.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,116.15 : 22,239.93 = 8,945.64 : x
  2. Step 2: Convert to fraction form
    16,116.15/22,239.93 = 8,945.64/x
  3. Step 3: Cross multiply
    16,116.15x = 22,239.93 × 8,945.64
  4. Step 4: Simplify right side
    16,116.15x = 198,950,407.41
  5. Step 5: Solve for x
    x = 198,950,407.41/16,116.15
  6. Step 6: Final answer
    x = 12,344.79

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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.