Home / 17,621.56-26,430-5,934.88

Finding the Fourth Proportional to 17,621.56, 26,430 and 5,934.88

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Solution

The fourth proportional to 17,621.56, 26,430 and 5,934.88 is: 8,901.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,621.56 : 26,430 = 5,934.88 : x
  2. Step 2: Convert to fraction form
    17,621.56/26,430 = 5,934.88/x
  3. Step 3: Cross multiply
    17,621.56x = 26,430 × 5,934.88
  4. Step 4: Simplify right side
    17,621.56x = 156,858,878.40
  5. Step 5: Solve for x
    x = 156,858,878.40/17,621.56
  6. Step 6: Final answer
    x = 8,901.53

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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.