Home / 23,158.91-31,959.18-12,548.54

Finding the Fourth Proportional to 23,158.91, 31,959.18 and 12,548.54

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Solution

The fourth proportional to 23,158.91, 31,959.18 and 12,548.54 is: 17,316.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,158.91 : 31,959.18 = 12,548.54 : x
  2. Step 2: Convert to fraction form
    23,158.91/31,959.18 = 12,548.54/x
  3. Step 3: Cross multiply
    23,158.91x = 31,959.18 × 12,548.54
  4. Step 4: Simplify right side
    23,158.91x = 401,040,888.80
  5. Step 5: Solve for x
    x = 401,040,888.80/23,158.91
  6. Step 6: Final answer
    x = 17,316.92

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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.