Home / 17,887.64-24,685.16-9,930.60

Finding the Fourth Proportional to 17,887.64, 24,685.16 and 9,930.60

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Solution

The fourth proportional to 17,887.64, 24,685.16 and 9,930.60 is: 13,704.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,887.64 : 24,685.16 = 9,930.60 : x
  2. Step 2: Convert to fraction form
    17,887.64/24,685.16 = 9,930.60/x
  3. Step 3: Cross multiply
    17,887.64x = 24,685.16 × 9,930.60
  4. Step 4: Simplify right side
    17,887.64x = 245,138,400.24
  5. Step 5: Solve for x
    x = 245,138,400.24/17,887.64
  6. Step 6: Final answer
    x = 13,704.35

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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.