Home / 10,181.80-15,260.55-5,248.90

Finding the Fourth Proportional to 10,181.80, 15,260.55 and 5,248.90

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Solution

The fourth proportional to 10,181.80, 15,260.55 and 5,248.90 is: 7,867.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,181.80 : 15,260.55 = 5,248.90 : x
  2. Step 2: Convert to fraction form
    10,181.80/15,260.55 = 5,248.90/x
  3. Step 3: Cross multiply
    10,181.80x = 15,260.55 × 5,248.90
  4. Step 4: Simplify right side
    10,181.80x = 80,101,100.90
  5. Step 5: Solve for x
    x = 80,101,100.90/10,181.80
  6. Step 6: Final answer
    x = 7,867.09

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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.