Home / 10,366.20-15,549.30-3,440.70

Finding the Fourth Proportional to 10,366.20, 15,549.30 and 3,440.70

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Solution

The fourth proportional to 10,366.20, 15,549.30 and 3,440.70 is: 5,161.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366.20 : 15,549.30 = 3,440.70 : x
  2. Step 2: Convert to fraction form
    10,366.20/15,549.30 = 3,440.70/x
  3. Step 3: Cross multiply
    10,366.20x = 15,549.30 × 3,440.70
  4. Step 4: Simplify right side
    10,366.20x = 53,500,476.51
  5. Step 5: Solve for x
    x = 53,500,476.51/10,366.20
  6. Step 6: Final answer
    x = 5,161.05

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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.