Home / 10,205.12-15,306.06-3,967.99

Finding the Fourth Proportional to 10,205.12, 15,306.06 and 3,967.99

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Solution

The fourth proportional to 10,205.12, 15,306.06 and 3,967.99 is: 5,951.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,205.12 : 15,306.06 = 3,967.99 : x
  2. Step 2: Convert to fraction form
    10,205.12/15,306.06 = 3,967.99/x
  3. Step 3: Cross multiply
    10,205.12x = 15,306.06 × 3,967.99
  4. Step 4: Simplify right side
    10,205.12x = 60,734,269.63
  5. Step 5: Solve for x
    x = 60,734,269.63/10,205.12
  6. Step 6: Final answer
    x = 5,951.35

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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.