Home / 10,171.21-15,254.34-2,775.73

Finding the Fourth Proportional to 10,171.21, 15,254.34 and 2,775.73

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Solution

The fourth proportional to 10,171.21, 15,254.34 and 2,775.73 is: 4,162.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,171.21 : 15,254.34 = 2,775.73 : x
  2. Step 2: Convert to fraction form
    10,171.21/15,254.34 = 2,775.73/x
  3. Step 3: Cross multiply
    10,171.21x = 15,254.34 × 2,775.73
  4. Step 4: Simplify right side
    10,171.21x = 42,341,929.17
  5. Step 5: Solve for x
    x = 42,341,929.17/10,171.21
  6. Step 6: Final answer
    x = 4,162.92

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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.