Home / 9,375.14-12,937.55-5,126.21

Finding the Fourth Proportional to 9,375.14, 12,937.55 and 5,126.21

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Solution

The fourth proportional to 9,375.14, 12,937.55 and 5,126.21 is: 7,074.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,375.14 : 12,937.55 = 5,126.21 : x
  2. Step 2: Convert to fraction form
    9,375.14/12,937.55 = 5,126.21/x
  3. Step 3: Cross multiply
    9,375.14x = 12,937.55 × 5,126.21
  4. Step 4: Simplify right side
    9,375.14x = 66,320,572.55
  5. Step 5: Solve for x
    x = 66,320,572.55/9,375.14
  6. Step 6: Final answer
    x = 7,074.09

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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.