Home / 12,072.24-18,079.20-6,862.32

Finding the Fourth Proportional to 12,072.24, 18,079.20 and 6,862.32

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Solution

The fourth proportional to 12,072.24, 18,079.20 and 6,862.32 is: 10,276.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,072.24 : 18,079.20 = 6,862.32 : x
  2. Step 2: Convert to fraction form
    12,072.24/18,079.20 = 6,862.32/x
  3. Step 3: Cross multiply
    12,072.24x = 18,079.20 × 6,862.32
  4. Step 4: Simplify right side
    12,072.24x = 124,065,255.74
  5. Step 5: Solve for x
    x = 124,065,255.74/12,072.24
  6. Step 6: Final answer
    x = 10,276.90

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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.