Home / 9,439.26-14,158.80-5,742.54

Finding the Fourth Proportional to 9,439.26, 14,158.80 and 5,742.54

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Solution

The fourth proportional to 9,439.26, 14,158.80 and 5,742.54 is: 8,613.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,439.26 : 14,158.80 = 5,742.54 : x
  2. Step 2: Convert to fraction form
    9,439.26/14,158.80 = 5,742.54/x
  3. Step 3: Cross multiply
    9,439.26x = 14,158.80 × 5,742.54
  4. Step 4: Simplify right side
    9,439.26x = 81,307,475.35
  5. Step 5: Solve for x
    x = 81,307,475.35/9,439.26
  6. Step 6: Final answer
    x = 8,613.76

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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.