Home / 10,345.70-15,517.35-2,951.30

Finding the Fourth Proportional to 10,345.70, 15,517.35 and 2,951.30

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Solution

The fourth proportional to 10,345.70, 15,517.35 and 2,951.30 is: 4,426.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,345.70 : 15,517.35 = 2,951.30 : x
  2. Step 2: Convert to fraction form
    10,345.70/15,517.35 = 2,951.30/x
  3. Step 3: Cross multiply
    10,345.70x = 15,517.35 × 2,951.30
  4. Step 4: Simplify right side
    10,345.70x = 45,796,355.06
  5. Step 5: Solve for x
    x = 45,796,355.06/10,345.70
  6. Step 6: Final answer
    x = 4,426.61

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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.