Home / 15,419.24-23,136.03-4,890.92

Finding the Fourth Proportional to 15,419.24, 23,136.03 and 4,890.92

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Solution

The fourth proportional to 15,419.24, 23,136.03 and 4,890.92 is: 7,338.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,419.24 : 23,136.03 = 4,890.92 : x
  2. Step 2: Convert to fraction form
    15,419.24/23,136.03 = 4,890.92/x
  3. Step 3: Cross multiply
    15,419.24x = 23,136.03 × 4,890.92
  4. Step 4: Simplify right side
    15,419.24x = 113,156,471.85
  5. Step 5: Solve for x
    x = 113,156,471.85/15,419.24
  6. Step 6: Final answer
    x = 7,338.65

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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.