Home / 10,621.47-15,932.21-5,057.95

Finding the Fourth Proportional to 10,621.47, 15,932.21 and 5,057.95

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Solution

The fourth proportional to 10,621.47, 15,932.21 and 5,057.95 is: 7,586.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,621.47 : 15,932.21 = 5,057.95 : x
  2. Step 2: Convert to fraction form
    10,621.47/15,932.21 = 5,057.95/x
  3. Step 3: Cross multiply
    10,621.47x = 15,932.21 × 5,057.95
  4. Step 4: Simplify right side
    10,621.47x = 80,584,314.77
  5. Step 5: Solve for x
    x = 80,584,314.77/10,621.47
  6. Step 6: Final answer
    x = 7,586.92

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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.