Home / 16,315.52-22,516.99-9,146.66

Finding the Fourth Proportional to 16,315.52, 22,516.99 and 9,146.66

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Solution

The fourth proportional to 16,315.52, 22,516.99 and 9,146.66 is: 12,623.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,315.52 : 22,516.99 = 9,146.66 : x
  2. Step 2: Convert to fraction form
    16,315.52/22,516.99 = 9,146.66/x
  3. Step 3: Cross multiply
    16,315.52x = 22,516.99 × 9,146.66
  4. Step 4: Simplify right side
    16,315.52x = 205,955,116.30
  5. Step 5: Solve for x
    x = 205,955,116.30/16,315.52
  6. Step 6: Final answer
    x = 12,623.27

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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.