Home / 14,123.26-21,180.24-4,760.76

Finding the Fourth Proportional to 14,123.26, 21,180.24 and 4,760.76

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Solution

The fourth proportional to 14,123.26, 21,180.24 and 4,760.76 is: 7,139.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,123.26 : 21,180.24 = 4,760.76 : x
  2. Step 2: Convert to fraction form
    14,123.26/21,180.24 = 4,760.76/x
  3. Step 3: Cross multiply
    14,123.26x = 21,180.24 × 4,760.76
  4. Step 4: Simplify right side
    14,123.26x = 100,834,039.38
  5. Step 5: Solve for x
    x = 100,834,039.38/14,123.26
  6. Step 6: Final answer
    x = 7,139.57

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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.