Home / 17,388.68-26,082.56-4,909.57

Finding the Fourth Proportional to 17,388.68, 26,082.56 and 4,909.57

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Solution

The fourth proportional to 17,388.68, 26,082.56 and 4,909.57 is: 7,364.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,388.68 : 26,082.56 = 4,909.57 : x
  2. Step 2: Convert to fraction form
    17,388.68/26,082.56 = 4,909.57/x
  3. Step 3: Cross multiply
    17,388.68x = 26,082.56 × 4,909.57
  4. Step 4: Simplify right side
    17,388.68x = 128,053,999.14
  5. Step 5: Solve for x
    x = 128,053,999.14/17,388.68
  6. Step 6: Final answer
    x = 7,364.22

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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.