Home / 10,148.30-13,995.55-8,452.43

Finding the Fourth Proportional to 10,148.30, 13,995.55 and 8,452.43

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Solution

The fourth proportional to 10,148.30, 13,995.55 and 8,452.43 is: 11,656.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,148.30 : 13,995.55 = 8,452.43 : x
  2. Step 2: Convert to fraction form
    10,148.30/13,995.55 = 8,452.43/x
  3. Step 3: Cross multiply
    10,148.30x = 13,995.55 × 8,452.43
  4. Step 4: Simplify right side
    10,148.30x = 118,296,478.48
  5. Step 5: Solve for x
    x = 118,296,478.48/10,148.30
  6. Step 6: Final answer
    x = 11,656.78

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Half scale
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Double scale
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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.