Home / 10,248.30-14,143.34-5,711.68

Finding the Fourth Proportional to 10,248.30, 14,143.34 and 5,711.68

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Solution

The fourth proportional to 10,248.30, 14,143.34 and 5,711.68 is: 7,882.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,248.30 : 14,143.34 = 5,711.68 : x
  2. Step 2: Convert to fraction form
    10,248.30/14,143.34 = 5,711.68/x
  3. Step 3: Cross multiply
    10,248.30x = 14,143.34 × 5,711.68
  4. Step 4: Simplify right side
    10,248.30x = 80,782,232.21
  5. Step 5: Solve for x
    x = 80,782,232.21/10,248.30
  6. Step 6: Final answer
    x = 7,882.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.