Home / 17,478.05-26,221.17-4,998.26

Finding the Fourth Proportional to 17,478.05, 26,221.17 and 4,998.26

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Solution

The fourth proportional to 17,478.05, 26,221.17 and 4,998.26 is: 7,498.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,478.05 : 26,221.17 = 4,998.26 : x
  2. Step 2: Convert to fraction form
    17,478.05/26,221.17 = 4,998.26/x
  3. Step 3: Cross multiply
    17,478.05x = 26,221.17 × 4,998.26
  4. Step 4: Simplify right side
    17,478.05x = 131,060,225.16
  5. Step 5: Solve for x
    x = 131,060,225.16/17,478.05
  6. Step 6: Final answer
    x = 7,498.56

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Half scale
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Double scale
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Similar ratio
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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.