Home / 16,649.92-22,965.42-11,869.30

Finding the Fourth Proportional to 16,649.92, 22,965.42 and 11,869.30

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Solution

The fourth proportional to 16,649.92, 22,965.42 and 11,869.30 is: 16,371.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,649.92 : 22,965.42 = 11,869.30 : x
  2. Step 2: Convert to fraction form
    16,649.92/22,965.42 = 11,869.30/x
  3. Step 3: Cross multiply
    16,649.92x = 22,965.42 × 11,869.30
  4. Step 4: Simplify right side
    16,649.92x = 272,583,459.61
  5. Step 5: Solve for x
    x = 272,583,459.61/16,649.92
  6. Step 6: Final answer
    x = 16,371.46

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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.