Home / 19,605.92-29,397.81-6,454.76

Finding the Fourth Proportional to 19,605.92, 29,397.81 and 6,454.76

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Solution

The fourth proportional to 19,605.92, 29,397.81 and 6,454.76 is: 9,678.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,605.92 : 29,397.81 = 6,454.76 : x
  2. Step 2: Convert to fraction form
    19,605.92/29,397.81 = 6,454.76/x
  3. Step 3: Cross multiply
    19,605.92x = 29,397.81 × 6,454.76
  4. Step 4: Simplify right side
    19,605.92x = 189,755,808.08
  5. Step 5: Solve for x
    x = 189,755,808.08/19,605.92
  6. Step 6: Final answer
    x = 9,678.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.