Home / 10,181.72-15,278.48-5,501.84

Finding the Fourth Proportional to 10,181.72, 15,278.48 and 5,501.84

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Solution

The fourth proportional to 10,181.72, 15,278.48 and 5,501.84 is: 8,255.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,181.72 : 15,278.48 = 5,501.84 : x
  2. Step 2: Convert to fraction form
    10,181.72/15,278.48 = 5,501.84/x
  3. Step 3: Cross multiply
    10,181.72x = 15,278.48 × 5,501.84
  4. Step 4: Simplify right side
    10,181.72x = 84,059,752.40
  5. Step 5: Solve for x
    x = 84,059,752.40/10,181.72
  6. Step 6: Final answer
    x = 8,255.95

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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.