Home / 13,181.56-19,780.20-4,867.42

Finding the Fourth Proportional to 13,181.56, 19,780.20 and 4,867.42

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Solution

The fourth proportional to 13,181.56, 19,780.20 and 4,867.42 is: 7,304.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,181.56 : 19,780.20 = 4,867.42 : x
  2. Step 2: Convert to fraction form
    13,181.56/19,780.20 = 4,867.42/x
  3. Step 3: Cross multiply
    13,181.56x = 19,780.20 × 4,867.42
  4. Step 4: Simplify right side
    13,181.56x = 96,278,541.08
  5. Step 5: Solve for x
    x = 96,278,541.08/13,181.56
  6. Step 6: Final answer
    x = 7,304.03

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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.