Home / 15,486.29-23,158.51-11,540.30

Finding the Fourth Proportional to 15,486.29, 23,158.51 and 11,540.30

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Solution

The fourth proportional to 15,486.29, 23,158.51 and 11,540.30 is: 17,257.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,486.29 : 23,158.51 = 11,540.30 : x
  2. Step 2: Convert to fraction form
    15,486.29/23,158.51 = 11,540.30/x
  3. Step 3: Cross multiply
    15,486.29x = 23,158.51 × 11,540.30
  4. Step 4: Simplify right side
    15,486.29x = 267,256,008.31
  5. Step 5: Solve for x
    x = 267,256,008.31/15,486.29
  6. Step 6: Final answer
    x = 17,257.58

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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.