Home / 15,613.28-23,423.37-7,288.75

Finding the Fourth Proportional to 15,613.28, 23,423.37 and 7,288.75

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Solution

The fourth proportional to 15,613.28, 23,423.37 and 7,288.75 is: 10,934.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,613.28 : 23,423.37 = 7,288.75 : x
  2. Step 2: Convert to fraction form
    15,613.28/23,423.37 = 7,288.75/x
  3. Step 3: Cross multiply
    15,613.28x = 23,423.37 × 7,288.75
  4. Step 4: Simplify right side
    15,613.28x = 170,726,934.53
  5. Step 5: Solve for x
    x = 170,726,934.53/15,613.28
  6. Step 6: Final answer
    x = 10,934.73

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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.