Home / 23,159.60-31,961.34-13,088.46

Finding the Fourth Proportional to 23,159.60, 31,961.34 and 13,088.46

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Solution

The fourth proportional to 23,159.60, 31,961.34 and 13,088.46 is: 18,062.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,159.60 : 31,961.34 = 13,088.46 : x
  2. Step 2: Convert to fraction form
    23,159.60/31,961.34 = 13,088.46/x
  3. Step 3: Cross multiply
    23,159.60x = 31,961.34 × 13,088.46
  4. Step 4: Simplify right side
    23,159.60x = 418,324,720.14
  5. Step 5: Solve for x
    x = 418,324,720.14/23,159.60
  6. Step 6: Final answer
    x = 18,062.70

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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.