Home / 10,527.11-15,788.49-3,953.15

Finding the Fourth Proportional to 10,527.11, 15,788.49 and 3,953.15

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Solution

The fourth proportional to 10,527.11, 15,788.49 and 3,953.15 is: 5,928.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,527.11 : 15,788.49 = 3,953.15 : x
  2. Step 2: Convert to fraction form
    10,527.11/15,788.49 = 3,953.15/x
  3. Step 3: Cross multiply
    10,527.11x = 15,788.49 × 3,953.15
  4. Step 4: Simplify right side
    10,527.11x = 62,414,269.24
  5. Step 5: Solve for x
    x = 62,414,269.24/10,527.11
  6. Step 6: Final answer
    x = 5,928.91

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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.