Home / 22,233.07-30,689.36-12,805.39

Finding the Fourth Proportional to 22,233.07, 30,689.36 and 12,805.39

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Solution

The fourth proportional to 22,233.07, 30,689.36 and 12,805.39 is: 17,675.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,233.07 : 30,689.36 = 12,805.39 : x
  2. Step 2: Convert to fraction form
    22,233.07/30,689.36 = 12,805.39/x
  3. Step 3: Cross multiply
    22,233.07x = 30,689.36 × 12,805.39
  4. Step 4: Simplify right side
    22,233.07x = 392,989,159.62
  5. Step 5: Solve for x
    x = 392,989,159.62/22,233.07
  6. Step 6: Final answer
    x = 17,675.88

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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.