Home / 20,232.36-30,358.17-9,142.44

Finding the Fourth Proportional to 20,232.36, 30,358.17 and 9,142.44

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Solution

The fourth proportional to 20,232.36, 30,358.17 and 9,142.44 is: 13,718.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,232.36 : 30,358.17 = 9,142.44 : x
  2. Step 2: Convert to fraction form
    20,232.36/30,358.17 = 9,142.44/x
  3. Step 3: Cross multiply
    20,232.36x = 30,358.17 × 9,142.44
  4. Step 4: Simplify right side
    20,232.36x = 277,547,747.73
  5. Step 5: Solve for x
    x = 277,547,747.73/20,232.36
  6. Step 6: Final answer
    x = 13,718.01

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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.