Home / 20,233.17-30,335.91-9,133.80

Finding the Fourth Proportional to 20,233.17, 30,335.91 and 9,133.80

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Solution

The fourth proportional to 20,233.17, 30,335.91 and 9,133.80 is: 13,694.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,233.17 : 30,335.91 = 9,133.80 : x
  2. Step 2: Convert to fraction form
    20,233.17/30,335.91 = 9,133.80/x
  3. Step 3: Cross multiply
    20,233.17x = 30,335.91 × 9,133.80
  4. Step 4: Simplify right side
    20,233.17x = 277,082,159.68
  5. Step 5: Solve for x
    x = 277,082,159.68/20,233.17
  6. Step 6: Final answer
    x = 13,694.45

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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.