Home / 10,012.16-15,015.20-3,436.85

Finding the Fourth Proportional to 10,012.16, 15,015.20 and 3,436.85

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Solution

The fourth proportional to 10,012.16, 15,015.20 and 3,436.85 is: 5,154.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,012.16 : 15,015.20 = 3,436.85 : x
  2. Step 2: Convert to fraction form
    10,012.16/15,015.20 = 3,436.85/x
  3. Step 3: Cross multiply
    10,012.16x = 15,015.20 × 3,436.85
  4. Step 4: Simplify right side
    10,012.16x = 51,604,897.86
  5. Step 5: Solve for x
    x = 51,604,897.86/10,012.16
  6. Step 6: Final answer
    x = 5,154.22

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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.