Home / 10,206.10-15,309.15-4,363.30

Finding the Fourth Proportional to 10,206.10, 15,309.15 and 4,363.30

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Solution

The fourth proportional to 10,206.10, 15,309.15 and 4,363.30 is: 6,544.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,206.10 : 15,309.15 = 4,363.30 : x
  2. Step 2: Convert to fraction form
    10,206.10/15,309.15 = 4,363.30/x
  3. Step 3: Cross multiply
    10,206.10x = 15,309.15 × 4,363.30
  4. Step 4: Simplify right side
    10,206.10x = 66,798,414.20
  5. Step 5: Solve for x
    x = 66,798,414.20/10,206.10
  6. Step 6: Final answer
    x = 6,544.95

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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.