Home / 10,887.43-16,327.03-4,643.55

Finding the Fourth Proportional to 10,887.43, 16,327.03 and 4,643.55

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Solution

The fourth proportional to 10,887.43, 16,327.03 and 4,643.55 is: 6,963.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,887.43 : 16,327.03 = 4,643.55 : x
  2. Step 2: Convert to fraction form
    10,887.43/16,327.03 = 4,643.55/x
  3. Step 3: Cross multiply
    10,887.43x = 16,327.03 × 4,643.55
  4. Step 4: Simplify right side
    10,887.43x = 75,815,380.16
  5. Step 5: Solve for x
    x = 75,815,380.16/10,887.43
  6. Step 6: Final answer
    x = 6,963.57

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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.