Home / 22,358.79-30,855.14-12,287.25

Finding the Fourth Proportional to 22,358.79, 30,855.14 and 12,287.25

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Solution

The fourth proportional to 22,358.79, 30,855.14 and 12,287.25 is: 16,956.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,358.79 : 30,855.14 = 12,287.25 : x
  2. Step 2: Convert to fraction form
    22,358.79/30,855.14 = 12,287.25/x
  3. Step 3: Cross multiply
    22,358.79x = 30,855.14 × 12,287.25
  4. Step 4: Simplify right side
    22,358.79x = 379,124,757.53
  5. Step 5: Solve for x
    x = 379,124,757.53/22,358.79
  6. Step 6: Final answer
    x = 16,956.41

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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.