Home / 16,639.90-22,965.08-9,471.56

Finding the Fourth Proportional to 16,639.90, 22,965.08 and 9,471.56

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Solution

The fourth proportional to 16,639.90, 22,965.08 and 9,471.56 is: 13,071.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,639.90 : 22,965.08 = 9,471.56 : x
  2. Step 2: Convert to fraction form
    16,639.90/22,965.08 = 9,471.56/x
  3. Step 3: Cross multiply
    16,639.90x = 22,965.08 × 9,471.56
  4. Step 4: Simplify right side
    16,639.90x = 217,514,970.94
  5. Step 5: Solve for x
    x = 217,514,970.94/16,639.90
  6. Step 6: Final answer
    x = 13,071.89

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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.