Home / 10,520.52-15,776.29-4,673.13

Finding the Fourth Proportional to 10,520.52, 15,776.29 and 4,673.13

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Solution

The fourth proportional to 10,520.52, 15,776.29 and 4,673.13 is: 7,007.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,520.52 : 15,776.29 = 4,673.13 : x
  2. Step 2: Convert to fraction form
    10,520.52/15,776.29 = 4,673.13/x
  3. Step 3: Cross multiply
    10,520.52x = 15,776.29 × 4,673.13
  4. Step 4: Simplify right side
    10,520.52x = 73,724,654.09
  5. Step 5: Solve for x
    x = 73,724,654.09/10,520.52
  6. Step 6: Final answer
    x = 7,007.70

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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.