Home / 8,066.16-12,077.24-6,112.40

Finding the Fourth Proportional to 8,066.16, 12,077.24 and 6,112.40

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Solution

The fourth proportional to 8,066.16, 12,077.24 and 6,112.40 is: 9,151.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,066.16 : 12,077.24 = 6,112.40 : x
  2. Step 2: Convert to fraction form
    8,066.16/12,077.24 = 6,112.40/x
  3. Step 3: Cross multiply
    8,066.16x = 12,077.24 × 6,112.40
  4. Step 4: Simplify right side
    8,066.16x = 73,820,921.78
  5. Step 5: Solve for x
    x = 73,820,921.78/8,066.16
  6. Step 6: Final answer
    x = 9,151.93

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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.