Home / 15,400.64-23,081.32-7,505.04

Finding the Fourth Proportional to 15,400.64, 23,081.32 and 7,505.04

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Solution

The fourth proportional to 15,400.64, 23,081.32 and 7,505.04 is: 11,247.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,400.64 : 23,081.32 = 7,505.04 : x
  2. Step 2: Convert to fraction form
    15,400.64/23,081.32 = 7,505.04/x
  3. Step 3: Cross multiply
    15,400.64x = 23,081.32 × 7,505.04
  4. Step 4: Simplify right side
    15,400.64x = 173,226,229.85
  5. Step 5: Solve for x
    x = 173,226,229.85/15,400.64
  6. Step 6: Final answer
    x = 11,247.99

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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.