Home / 15,480.64-23,218.80-5,091.04

Finding the Fourth Proportional to 15,480.64, 23,218.80 and 5,091.04

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Solution

The fourth proportional to 15,480.64, 23,218.80 and 5,091.04 is: 7,635.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,480.64 : 23,218.80 = 5,091.04 : x
  2. Step 2: Convert to fraction form
    15,480.64/23,218.80 = 5,091.04/x
  3. Step 3: Cross multiply
    15,480.64x = 23,218.80 × 5,091.04
  4. Step 4: Simplify right side
    15,480.64x = 118,207,839.55
  5. Step 5: Solve for x
    x = 118,207,839.55/15,480.64
  6. Step 6: Final answer
    x = 7,635.85

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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.