Home / 16,318.69-22,520.70-9,247.39

Finding the Fourth Proportional to 16,318.69, 22,520.70 and 9,247.39

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Solution

The fourth proportional to 16,318.69, 22,520.70 and 9,247.39 is: 12,761.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,318.69 : 22,520.70 = 9,247.39 : x
  2. Step 2: Convert to fraction form
    16,318.69/22,520.70 = 9,247.39/x
  3. Step 3: Cross multiply
    16,318.69x = 22,520.70 × 9,247.39
  4. Step 4: Simplify right side
    16,318.69x = 208,257,639.67
  5. Step 5: Solve for x
    x = 208,257,639.67/16,318.69
  6. Step 6: Final answer
    x = 12,761.91

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Half scale
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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.