Home / 8,955.23-13,432.89-2,381.90

Finding the Fourth Proportional to 8,955.23, 13,432.89 and 2,381.90

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Solution

The fourth proportional to 8,955.23, 13,432.89 and 2,381.90 is: 3,572.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,955.23 : 13,432.89 = 2,381.90 : x
  2. Step 2: Convert to fraction form
    8,955.23/13,432.89 = 2,381.90/x
  3. Step 3: Cross multiply
    8,955.23x = 13,432.89 × 2,381.90
  4. Step 4: Simplify right side
    8,955.23x = 31,995,800.69
  5. Step 5: Solve for x
    x = 31,995,800.69/8,955.23
  6. Step 6: Final answer
    x = 3,572.86

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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.