Home / 10,113.13-15,168.61-3,539.44

Finding the Fourth Proportional to 10,113.13, 15,168.61 and 3,539.44

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Solution

The fourth proportional to 10,113.13, 15,168.61 and 3,539.44 is: 5,308.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,113.13 : 15,168.61 = 3,539.44 : x
  2. Step 2: Convert to fraction form
    10,113.13/15,168.61 = 3,539.44/x
  3. Step 3: Cross multiply
    10,113.13x = 15,168.61 × 3,539.44
  4. Step 4: Simplify right side
    10,113.13x = 53,688,384.98
  5. Step 5: Solve for x
    x = 53,688,384.98/10,113.13
  6. Step 6: Final answer
    x = 5,308.78

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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.