Home / 15,696.89-23,549.03-5,167.72

Finding the Fourth Proportional to 15,696.89, 23,549.03 and 5,167.72

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Solution

The fourth proportional to 15,696.89, 23,549.03 and 5,167.72 is: 7,752.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,696.89 : 23,549.03 = 5,167.72 : x
  2. Step 2: Convert to fraction form
    15,696.89/23,549.03 = 5,167.72/x
  3. Step 3: Cross multiply
    15,696.89x = 23,549.03 × 5,167.72
  4. Step 4: Simplify right side
    15,696.89x = 121,694,882.52
  5. Step 5: Solve for x
    x = 121,694,882.52/15,696.89
  6. Step 6: Final answer
    x = 7,752.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.