Home / 15,465.75-23,179.61-7,134.20

Finding the Fourth Proportional to 15,465.75, 23,179.61 and 7,134.20

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Solution

The fourth proportional to 15,465.75, 23,179.61 and 7,134.20 is: 10,692.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,465.75 : 23,179.61 = 7,134.20 : x
  2. Step 2: Convert to fraction form
    15,465.75/23,179.61 = 7,134.20/x
  3. Step 3: Cross multiply
    15,465.75x = 23,179.61 × 7,134.20
  4. Step 4: Simplify right side
    15,465.75x = 165,367,822.09
  5. Step 5: Solve for x
    x = 165,367,822.09/15,465.75
  6. Step 6: Final answer
    x = 10,692.52

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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.