Home / 10,101.56-15,147.48-4,254.98

Finding the Fourth Proportional to 10,101.56, 15,147.48 and 4,254.98

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Solution

The fourth proportional to 10,101.56, 15,147.48 and 4,254.98 is: 6,380.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,101.56 : 15,147.48 = 4,254.98 : x
  2. Step 2: Convert to fraction form
    10,101.56/15,147.48 = 4,254.98/x
  3. Step 3: Cross multiply
    10,101.56x = 15,147.48 × 4,254.98
  4. Step 4: Simplify right side
    10,101.56x = 64,452,224.45
  5. Step 5: Solve for x
    x = 64,452,224.45/10,101.56
  6. Step 6: Final answer
    x = 6,380.42

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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.