Home / 11,538.32-17,244.26-8,424.90

Finding the Fourth Proportional to 11,538.32, 17,244.26 and 8,424.90

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Solution

The fourth proportional to 11,538.32, 17,244.26 and 8,424.90 is: 12,591.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,538.32 : 17,244.26 = 8,424.90 : x
  2. Step 2: Convert to fraction form
    11,538.32/17,244.26 = 8,424.90/x
  3. Step 3: Cross multiply
    11,538.32x = 17,244.26 × 8,424.90
  4. Step 4: Simplify right side
    11,538.32x = 145,281,166.07
  5. Step 5: Solve for x
    x = 145,281,166.07/11,538.32
  6. Step 6: Final answer
    x = 12,591.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.