Home / 10,507.31-15,760.93-3,112.34

Finding the Fourth Proportional to 10,507.31, 15,760.93 and 3,112.34

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Solution

The fourth proportional to 10,507.31, 15,760.93 and 3,112.34 is: 4,668.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,507.31 : 15,760.93 = 3,112.34 : x
  2. Step 2: Convert to fraction form
    10,507.31/15,760.93 = 3,112.34/x
  3. Step 3: Cross multiply
    10,507.31x = 15,760.93 × 3,112.34
  4. Step 4: Simplify right side
    10,507.31x = 49,053,423.87
  5. Step 5: Solve for x
    x = 49,053,423.87/10,507.31
  6. Step 6: Final answer
    x = 4,668.51

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Similar ratio
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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.