Home / 16,395.18-22,624.16-9,680.46

Finding the Fourth Proportional to 16,395.18, 22,624.16 and 9,680.46

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Solution

The fourth proportional to 16,395.18, 22,624.16 and 9,680.46 is: 13,358.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,395.18 : 22,624.16 = 9,680.46 : x
  2. Step 2: Convert to fraction form
    16,395.18/22,624.16 = 9,680.46/x
  3. Step 3: Cross multiply
    16,395.18x = 22,624.16 × 9,680.46
  4. Step 4: Simplify right side
    16,395.18x = 219,012,275.91
  5. Step 5: Solve for x
    x = 219,012,275.91/16,395.18
  6. Step 6: Final answer
    x = 13,358.33

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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.