Home / 8,954.90-13,432.28-2,381.55

Finding the Fourth Proportional to 8,954.90, 13,432.28 and 2,381.55

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Solution

The fourth proportional to 8,954.90, 13,432.28 and 2,381.55 is: 3,572.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,954.90 : 13,432.28 = 2,381.55 : x
  2. Step 2: Convert to fraction form
    8,954.90/13,432.28 = 2,381.55/x
  3. Step 3: Cross multiply
    8,954.90x = 13,432.28 × 2,381.55
  4. Step 4: Simplify right side
    8,954.90x = 31,989,646.43
  5. Step 5: Solve for x
    x = 31,989,646.43/8,954.90
  6. Step 6: Final answer
    x = 3,572.31

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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.