Home / 10,014.12-15,022.80-4,171.32

Finding the Fourth Proportional to 10,014.12, 15,022.80 and 4,171.32

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Solution

The fourth proportional to 10,014.12, 15,022.80 and 4,171.32 is: 6,257.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,014.12 : 15,022.80 = 4,171.32 : x
  2. Step 2: Convert to fraction form
    10,014.12/15,022.80 = 4,171.32/x
  3. Step 3: Cross multiply
    10,014.12x = 15,022.80 × 4,171.32
  4. Step 4: Simplify right side
    10,014.12x = 62,664,906.10
  5. Step 5: Solve for x
    x = 62,664,906.10/10,014.12
  6. Step 6: Final answer
    x = 6,257.65

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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.