Home / 10,254.12-15,385.76-4,986.24

Finding the Fourth Proportional to 10,254.12, 15,385.76 and 4,986.24

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Solution

The fourth proportional to 10,254.12, 15,385.76 and 4,986.24 is: 7,481.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,254.12 : 15,385.76 = 4,986.24 : x
  2. Step 2: Convert to fraction form
    10,254.12/15,385.76 = 4,986.24/x
  3. Step 3: Cross multiply
    10,254.12x = 15,385.76 × 4,986.24
  4. Step 4: Simplify right side
    10,254.12x = 76,717,091.94
  5. Step 5: Solve for x
    x = 76,717,091.94/10,254.12
  6. Step 6: Final answer
    x = 7,481.59

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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.