Home / 10,527.93-15,789.20-3,130.47

Finding the Fourth Proportional to 10,527.93, 15,789.20 and 3,130.47

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Solution

The fourth proportional to 10,527.93, 15,789.20 and 3,130.47 is: 4,694.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,527.93 : 15,789.20 = 3,130.47 : x
  2. Step 2: Convert to fraction form
    10,527.93/15,789.20 = 3,130.47/x
  3. Step 3: Cross multiply
    10,527.93x = 15,789.20 × 3,130.47
  4. Step 4: Simplify right side
    10,527.93x = 49,427,601.27
  5. Step 5: Solve for x
    x = 49,427,601.27/10,527.93
  6. Step 6: Final answer
    x = 4,694.90

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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.