Home / 12,023.44-18,041.12-8,119.28

Finding the Fourth Proportional to 12,023.44, 18,041.12 and 8,119.28

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Solution

The fourth proportional to 12,023.44, 18,041.12 and 8,119.28 is: 12,182.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,023.44 : 18,041.12 = 8,119.28 : x
  2. Step 2: Convert to fraction form
    12,023.44/18,041.12 = 8,119.28/x
  3. Step 3: Cross multiply
    12,023.44x = 18,041.12 × 8,119.28
  4. Step 4: Simplify right side
    12,023.44x = 146,480,904.79
  5. Step 5: Solve for x
    x = 146,480,904.79/12,023.44
  6. Step 6: Final answer
    x = 12,182.94

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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.