Home / 10,539.46-15,809.13-4,299.44

Finding the Fourth Proportional to 10,539.46, 15,809.13 and 4,299.44

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Solution

The fourth proportional to 10,539.46, 15,809.13 and 4,299.44 is: 6,449.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,539.46 : 15,809.13 = 4,299.44 : x
  2. Step 2: Convert to fraction form
    10,539.46/15,809.13 = 4,299.44/x
  3. Step 3: Cross multiply
    10,539.46x = 15,809.13 × 4,299.44
  4. Step 4: Simplify right side
    10,539.46x = 67,970,405.89
  5. Step 5: Solve for x
    x = 67,970,405.89/10,539.46
  6. Step 6: Final answer
    x = 6,449.14

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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.