Home / 22,180.60-30,607.44-12,747.40

Finding the Fourth Proportional to 22,180.60, 30,607.44 and 12,747.40

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Solution

The fourth proportional to 22,180.60, 30,607.44 and 12,747.40 is: 17,590.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,180.60 : 30,607.44 = 12,747.40 : x
  2. Step 2: Convert to fraction form
    22,180.60/30,607.44 = 12,747.40/x
  3. Step 3: Cross multiply
    22,180.60x = 30,607.44 × 12,747.40
  4. Step 4: Simplify right side
    22,180.60x = 390,165,280.66
  5. Step 5: Solve for x
    x = 390,165,280.66/22,180.60
  6. Step 6: Final answer
    x = 17,590.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.