Home / 22,370.67-30,870.90-12,299.10

Finding the Fourth Proportional to 22,370.67, 30,870.90 and 12,299.10

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Solution

The fourth proportional to 22,370.67, 30,870.90 and 12,299.10 is: 16,972.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,370.67 : 30,870.90 = 12,299.10 : x
  2. Step 2: Convert to fraction form
    22,370.67/30,870.90 = 12,299.10/x
  3. Step 3: Cross multiply
    22,370.67x = 30,870.90 × 12,299.10
  4. Step 4: Simplify right side
    22,370.67x = 379,684,286.19
  5. Step 5: Solve for x
    x = 379,684,286.19/22,370.67
  6. Step 6: Final answer
    x = 16,972.41

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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.