Home / 22,132.20-30,538.98-12,698.94

Finding the Fourth Proportional to 22,132.20, 30,538.98 and 12,698.94

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Solution

The fourth proportional to 22,132.20, 30,538.98 and 12,698.94 is: 17,522.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,132.20 : 30,538.98 = 12,698.94 : x
  2. Step 2: Convert to fraction form
    22,132.20/30,538.98 = 12,698.94/x
  3. Step 3: Cross multiply
    22,132.20x = 30,538.98 × 12,698.94
  4. Step 4: Simplify right side
    22,132.20x = 387,812,674.68
  5. Step 5: Solve for x
    x = 387,812,674.68/22,132.20
  6. Step 6: Final answer
    x = 17,522.55

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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.