Home / 10,252.30-15,380.70-4,012.30

Finding the Fourth Proportional to 10,252.30, 15,380.70 and 4,012.30

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Solution

The fourth proportional to 10,252.30, 15,380.70 and 4,012.30 is: 6,019.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,252.30 : 15,380.70 = 4,012.30 : x
  2. Step 2: Convert to fraction form
    10,252.30/15,380.70 = 4,012.30/x
  3. Step 3: Cross multiply
    10,252.30x = 15,380.70 × 4,012.30
  4. Step 4: Simplify right side
    10,252.30x = 61,711,982.61
  5. Step 5: Solve for x
    x = 61,711,982.61/10,252.30
  6. Step 6: Final answer
    x = 6,019.33

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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.