Home / 9,157.11-12,635.48-5,123.91

Finding the Fourth Proportional to 9,157.11, 12,635.48 and 5,123.91

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Solution

The fourth proportional to 9,157.11, 12,635.48 and 5,123.91 is: 7,070.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,157.11 : 12,635.48 = 5,123.91 : x
  2. Step 2: Convert to fraction form
    9,157.11/12,635.48 = 5,123.91/x
  3. Step 3: Cross multiply
    9,157.11x = 12,635.48 × 5,123.91
  4. Step 4: Simplify right side
    9,157.11x = 64,743,093.70
  5. Step 5: Solve for x
    x = 64,743,093.70/9,157.11
  6. Step 6: Final answer
    x = 7,070.26

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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.