Home / 14,938.76-20,614.28-8,651.54

Finding the Fourth Proportional to 14,938.76, 20,614.28 and 8,651.54

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Solution

The fourth proportional to 14,938.76, 20,614.28 and 8,651.54 is: 11,938.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,938.76 : 20,614.28 = 8,651.54 : x
  2. Step 2: Convert to fraction form
    14,938.76/20,614.28 = 8,651.54/x
  3. Step 3: Cross multiply
    14,938.76x = 20,614.28 × 8,651.54
  4. Step 4: Simplify right side
    14,938.76x = 178,345,267.99
  5. Step 5: Solve for x
    x = 178,345,267.99/14,938.76
  6. Step 6: Final answer
    x = 11,938.43

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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.