Home / 14,003.92-21,009.98-4,143.45

Finding the Fourth Proportional to 14,003.92, 21,009.98 and 4,143.45

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Solution

The fourth proportional to 14,003.92, 21,009.98 and 4,143.45 is: 6,216.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,003.92 : 21,009.98 = 4,143.45 : x
  2. Step 2: Convert to fraction form
    14,003.92/21,009.98 = 4,143.45/x
  3. Step 3: Cross multiply
    14,003.92x = 21,009.98 × 4,143.45
  4. Step 4: Simplify right side
    14,003.92x = 87,053,780.91
  5. Step 5: Solve for x
    x = 87,053,780.91/14,003.92
  6. Step 6: Final answer
    x = 6,216.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.