Home / 9,191.60-12,683.44-5,414.52

Finding the Fourth Proportional to 9,191.60, 12,683.44 and 5,414.52

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Solution

The fourth proportional to 9,191.60, 12,683.44 and 5,414.52 is: 7,471.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,191.60 : 12,683.44 = 5,414.52 : x
  2. Step 2: Convert to fraction form
    9,191.60/12,683.44 = 5,414.52/x
  3. Step 3: Cross multiply
    9,191.60x = 12,683.44 × 5,414.52
  4. Step 4: Simplify right side
    9,191.60x = 68,674,739.55
  5. Step 5: Solve for x
    x = 68,674,739.55/9,191.60
  6. Step 6: Final answer
    x = 7,471.47

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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.