Home / 17,621.53-24,318.05-9,663.28

Finding the Fourth Proportional to 17,621.53, 24,318.05 and 9,663.28

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Solution

The fourth proportional to 17,621.53, 24,318.05 and 9,663.28 is: 13,335.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,621.53 : 24,318.05 = 9,663.28 : x
  2. Step 2: Convert to fraction form
    17,621.53/24,318.05 = 9,663.28/x
  3. Step 3: Cross multiply
    17,621.53x = 24,318.05 × 9,663.28
  4. Step 4: Simplify right side
    17,621.53x = 234,992,126.20
  5. Step 5: Solve for x
    x = 234,992,126.20/17,621.53
  6. Step 6: Final answer
    x = 13,335.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.