Home / 22,370.92-30,870.28-12,299.10

Finding the Fourth Proportional to 22,370.92, 30,870.28 and 12,299.10

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Solution

The fourth proportional to 22,370.92, 30,870.28 and 12,299.10 is: 16,971.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,370.92 : 30,870.28 = 12,299.10 : x
  2. Step 2: Convert to fraction form
    22,370.92/30,870.28 = 12,299.10/x
  3. Step 3: Cross multiply
    22,370.92x = 30,870.28 × 12,299.10
  4. Step 4: Simplify right side
    22,370.92x = 379,676,660.75
  5. Step 5: Solve for x
    x = 379,676,660.75/22,370.92
  6. Step 6: Final answer
    x = 16,971.88

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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.