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Finding the Fourth Proportional to 22,390.43, 33,574.06 and 6,593.40

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Solution

The fourth proportional to 22,390.43, 33,574.06 and 6,593.40 is: 9,886.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,390.43 : 33,574.06 = 6,593.40 : x
  2. Step 2: Convert to fraction form
    22,390.43/33,574.06 = 6,593.40/x
  3. Step 3: Cross multiply
    22,390.43x = 33,574.06 × 6,593.40
  4. Step 4: Simplify right side
    22,390.43x = 221,367,215.45
  5. Step 5: Solve for x
    x = 221,367,215.45/22,390.43
  6. Step 6: Final answer
    x = 9,886.69

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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.