Home / 17,845.72-24,626.73-9,887.92

Finding the Fourth Proportional to 17,845.72, 24,626.73 and 9,887.92

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Solution

The fourth proportional to 17,845.72, 24,626.73 and 9,887.92 is: 13,645.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,845.72 : 24,626.73 = 9,887.92 : x
  2. Step 2: Convert to fraction form
    17,845.72/24,626.73 = 9,887.92/x
  3. Step 3: Cross multiply
    17,845.72x = 24,626.73 × 9,887.92
  4. Step 4: Simplify right side
    17,845.72x = 243,507,136.10
  5. Step 5: Solve for x
    x = 243,507,136.10/17,845.72
  6. Step 6: Final answer
    x = 13,645.13

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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.