Home / 9,342.60-12,892.66-5,150.80

Finding the Fourth Proportional to 9,342.60, 12,892.66 and 5,150.80

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Solution

The fourth proportional to 9,342.60, 12,892.66 and 5,150.80 is: 7,108.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,342.60 : 12,892.66 = 5,150.80 : x
  2. Step 2: Convert to fraction form
    9,342.60/12,892.66 = 5,150.80/x
  3. Step 3: Cross multiply
    9,342.60x = 12,892.66 × 5,150.80
  4. Step 4: Simplify right side
    9,342.60x = 66,407,513.13
  5. Step 5: Solve for x
    x = 66,407,513.13/9,342.60
  6. Step 6: Final answer
    x = 7,108.03

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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.