Home / 11,168.12-15,412.18-6,132.20

Finding the Fourth Proportional to 11,168.12, 15,412.18 and 6,132.20

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Solution

The fourth proportional to 11,168.12, 15,412.18 and 6,132.20 is: 8,462.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,168.12 : 15,412.18 = 6,132.20 : x
  2. Step 2: Convert to fraction form
    11,168.12/15,412.18 = 6,132.20/x
  3. Step 3: Cross multiply
    11,168.12x = 15,412.18 × 6,132.20
  4. Step 4: Simplify right side
    11,168.12x = 94,510,570.20
  5. Step 5: Solve for x
    x = 94,510,570.20/11,168.12
  6. Step 6: Final answer
    x = 8,462.53

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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.