Home / 10,490.31-15,734.12-3,095.55

Finding the Fourth Proportional to 10,490.31, 15,734.12 and 3,095.55

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Solution

The fourth proportional to 10,490.31, 15,734.12 and 3,095.55 is: 4,642.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,490.31 : 15,734.12 = 3,095.55 : x
  2. Step 2: Convert to fraction form
    10,490.31/15,734.12 = 3,095.55/x
  3. Step 3: Cross multiply
    10,490.31x = 15,734.12 × 3,095.55
  4. Step 4: Simplify right side
    10,490.31x = 48,705,739.69
  5. Step 5: Solve for x
    x = 48,705,739.69/10,490.31
  6. Step 6: Final answer
    x = 4,642.93

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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.