Home / 15,277.08-21,082.18-8,562.70

Finding the Fourth Proportional to 15,277.08, 21,082.18 and 8,562.70

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Solution

The fourth proportional to 15,277.08, 21,082.18 and 8,562.70 is: 11,816.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,277.08 : 21,082.18 = 8,562.70 : x
  2. Step 2: Convert to fraction form
    15,277.08/21,082.18 = 8,562.70/x
  3. Step 3: Cross multiply
    15,277.08x = 21,082.18 × 8,562.70
  4. Step 4: Simplify right side
    15,277.08x = 180,520,234.46
  5. Step 5: Solve for x
    x = 180,520,234.46/15,277.08
  6. Step 6: Final answer
    x = 11,816.41

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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.