Home / 23,180.25-31,988.94-12,569.88

Finding the Fourth Proportional to 23,180.25, 31,988.94 and 12,569.88

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Solution

The fourth proportional to 23,180.25, 31,988.94 and 12,569.88 is: 17,346.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,180.25 : 31,988.94 = 12,569.88 : x
  2. Step 2: Convert to fraction form
    23,180.25/31,988.94 = 12,569.88/x
  3. Step 3: Cross multiply
    23,180.25x = 31,988.94 × 12,569.88
  4. Step 4: Simplify right side
    23,180.25x = 402,097,244.24
  5. Step 5: Solve for x
    x = 402,097,244.24/23,180.25
  6. Step 6: Final answer
    x = 17,346.55

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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.