Home / 14,869.55-20,520.24-8,154.76

Finding the Fourth Proportional to 14,869.55, 20,520.24 and 8,154.76

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Solution

The fourth proportional to 14,869.55, 20,520.24 and 8,154.76 is: 11,253.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,869.55 : 20,520.24 = 8,154.76 : x
  2. Step 2: Convert to fraction form
    14,869.55/20,520.24 = 8,154.76/x
  3. Step 3: Cross multiply
    14,869.55x = 20,520.24 × 8,154.76
  4. Step 4: Simplify right side
    14,869.55x = 167,337,632.34
  5. Step 5: Solve for x
    x = 167,337,632.34/14,869.55
  6. Step 6: Final answer
    x = 11,253.71

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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.