Home / 15,840.28-23,791.17-11,663.79

Finding the Fourth Proportional to 15,840.28, 23,791.17 and 11,663.79

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Solution

The fourth proportional to 15,840.28, 23,791.17 and 11,663.79 is: 17,518.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,840.28 : 23,791.17 = 11,663.79 : x
  2. Step 2: Convert to fraction form
    15,840.28/23,791.17 = 11,663.79/x
  3. Step 3: Cross multiply
    15,840.28x = 23,791.17 × 11,663.79
  4. Step 4: Simplify right side
    15,840.28x = 277,495,152.42
  5. Step 5: Solve for x
    x = 277,495,152.42/15,840.28
  6. Step 6: Final answer
    x = 17,518.33

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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.