Home / 10,187.10-15,281.62-3,611.73

Finding the Fourth Proportional to 10,187.10, 15,281.62 and 3,611.73

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Solution

The fourth proportional to 10,187.10, 15,281.62 and 3,611.73 is: 5,417.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,187.10 : 15,281.62 = 3,611.73 : x
  2. Step 2: Convert to fraction form
    10,187.10/15,281.62 = 3,611.73/x
  3. Step 3: Cross multiply
    10,187.10x = 15,281.62 × 3,611.73
  4. Step 4: Simplify right side
    10,187.10x = 55,193,085.40
  5. Step 5: Solve for x
    x = 55,193,085.40/10,187.10
  6. Step 6: Final answer
    x = 5,417.94

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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.