Home / 17,845.20-24,626.04-9,887.40

Finding the Fourth Proportional to 17,845.20, 24,626.04 and 9,887.40

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Solution

The fourth proportional to 17,845.20, 24,626.04 and 9,887.40 is: 13,644.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,845.20 : 24,626.04 = 9,887.40 : x
  2. Step 2: Convert to fraction form
    17,845.20/24,626.04 = 9,887.40/x
  3. Step 3: Cross multiply
    17,845.20x = 24,626.04 × 9,887.40
  4. Step 4: Simplify right side
    17,845.20x = 243,487,507.90
  5. Step 5: Solve for x
    x = 243,487,507.90/17,845.20
  6. Step 6: Final answer
    x = 13,644.43

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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.