Home / 11,114.93-15,344.18-8,591.33

Finding the Fourth Proportional to 11,114.93, 15,344.18 and 8,591.33

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Solution

The fourth proportional to 11,114.93, 15,344.18 and 8,591.33 is: 11,860.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,114.93 : 15,344.18 = 8,591.33 : x
  2. Step 2: Convert to fraction form
    11,114.93/15,344.18 = 8,591.33/x
  3. Step 3: Cross multiply
    11,114.93x = 15,344.18 × 8,591.33
  4. Step 4: Simplify right side
    11,114.93x = 131,826,941.58
  5. Step 5: Solve for x
    x = 131,826,941.58/11,114.93
  6. Step 6: Final answer
    x = 11,860.35

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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.