Home / 17,439.56-26,158.76-7,578.85

Finding the Fourth Proportional to 17,439.56, 26,158.76 and 7,578.85

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Solution

The fourth proportional to 17,439.56, 26,158.76 and 7,578.85 is: 11,368.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,439.56 : 26,158.76 = 7,578.85 : x
  2. Step 2: Convert to fraction form
    17,439.56/26,158.76 = 7,578.85/x
  3. Step 3: Cross multiply
    17,439.56x = 26,158.76 × 7,578.85
  4. Step 4: Simplify right side
    17,439.56x = 198,253,247.88
  5. Step 5: Solve for x
    x = 198,253,247.88/17,439.56
  6. Step 6: Final answer
    x = 11,368.02

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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.