Home / 16,938.91-23,363.40-10,221.58

Finding the Fourth Proportional to 16,938.91, 23,363.40 and 10,221.58

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Solution

The fourth proportional to 16,938.91, 23,363.40 and 10,221.58 is: 14,098.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,938.91 : 23,363.40 = 10,221.58 : x
  2. Step 2: Convert to fraction form
    16,938.91/23,363.40 = 10,221.58/x
  3. Step 3: Cross multiply
    16,938.91x = 23,363.40 × 10,221.58
  4. Step 4: Simplify right side
    16,938.91x = 238,810,862.17
  5. Step 5: Solve for x
    x = 238,810,862.17/16,938.91
  6. Step 6: Final answer
    x = 14,098.36

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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.