Home / 12,079.17-18,119.36-4,182.08

Finding the Fourth Proportional to 12,079.17, 18,119.36 and 4,182.08

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Solution

The fourth proportional to 12,079.17, 18,119.36 and 4,182.08 is: 6,273.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,079.17 : 18,119.36 = 4,182.08 : x
  2. Step 2: Convert to fraction form
    12,079.17/18,119.36 = 4,182.08/x
  3. Step 3: Cross multiply
    12,079.17x = 18,119.36 × 4,182.08
  4. Step 4: Simplify right side
    12,079.17x = 75,776,532.93
  5. Step 5: Solve for x
    x = 75,776,532.93/12,079.17
  6. Step 6: Final answer
    x = 6,273.32

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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.