Home / 15,182.80-22,774.20-6,427.60

Finding the Fourth Proportional to 15,182.80, 22,774.20 and 6,427.60

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Solution

The fourth proportional to 15,182.80, 22,774.20 and 6,427.60 is: 9,641.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,182.80 : 22,774.20 = 6,427.60 : x
  2. Step 2: Convert to fraction form
    15,182.80/22,774.20 = 6,427.60/x
  3. Step 3: Cross multiply
    15,182.80x = 22,774.20 × 6,427.60
  4. Step 4: Simplify right side
    15,182.80x = 146,383,447.92
  5. Step 5: Solve for x
    x = 146,383,447.92/15,182.80
  6. Step 6: Final answer
    x = 9,641.40

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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.