Home / 12,724.16-19,078.40-4,402.24

Finding the Fourth Proportional to 12,724.16, 19,078.40 and 4,402.24

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Solution

The fourth proportional to 12,724.16, 19,078.40 and 4,402.24 is: 6,600.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,724.16 : 19,078.40 = 4,402.24 : x
  2. Step 2: Convert to fraction form
    12,724.16/19,078.40 = 4,402.24/x
  3. Step 3: Cross multiply
    12,724.16x = 19,078.40 × 4,402.24
  4. Step 4: Simplify right side
    12,724.16x = 83,987,695.62
  5. Step 5: Solve for x
    x = 83,987,695.62/12,724.16
  6. Step 6: Final answer
    x = 6,600.65

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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.