Home / 15,517.02-23,275.26-5,128.50

Finding the Fourth Proportional to 15,517.02, 23,275.26 and 5,128.50

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Solution

The fourth proportional to 15,517.02, 23,275.26 and 5,128.50 is: 7,692.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,517.02 : 23,275.26 = 5,128.50 : x
  2. Step 2: Convert to fraction form
    15,517.02/23,275.26 = 5,128.50/x
  3. Step 3: Cross multiply
    15,517.02x = 23,275.26 × 5,128.50
  4. Step 4: Simplify right side
    15,517.02x = 119,367,170.91
  5. Step 5: Solve for x
    x = 119,367,170.91/15,517.02
  6. Step 6: Final answer
    x = 7,692.66

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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.