Home / 9,375.21-12,937.54-5,126.15

Finding the Fourth Proportional to 9,375.21, 12,937.54 and 5,126.15

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Solution

The fourth proportional to 9,375.21, 12,937.54 and 5,126.15 is: 7,073.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,375.21 : 12,937.54 = 5,126.15 : x
  2. Step 2: Convert to fraction form
    9,375.21/12,937.54 = 5,126.15/x
  3. Step 3: Cross multiply
    9,375.21x = 12,937.54 × 5,126.15
  4. Step 4: Simplify right side
    9,375.21x = 66,319,770.67
  5. Step 5: Solve for x
    x = 66,319,770.67/9,375.21
  6. Step 6: Final answer
    x = 7,073.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.