Home / 10,412.14-15,618.20-3,016.60

Finding the Fourth Proportional to 10,412.14, 15,618.20 and 3,016.60

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Solution

The fourth proportional to 10,412.14, 15,618.20 and 3,016.60 is: 4,524.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,412.14 : 15,618.20 = 3,016.60 : x
  2. Step 2: Convert to fraction form
    10,412.14/15,618.20 = 3,016.60/x
  3. Step 3: Cross multiply
    10,412.14x = 15,618.20 × 3,016.60
  4. Step 4: Simplify right side
    10,412.14x = 47,113,862.12
  5. Step 5: Solve for x
    x = 47,113,862.12/10,412.14
  6. Step 6: Final answer
    x = 4,524.90

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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.