Home / 10,439.82-15,650.01-7,154.46

Finding the Fourth Proportional to 10,439.82, 15,650.01 and 7,154.46

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Solution

The fourth proportional to 10,439.82, 15,650.01 and 7,154.46 is: 10,725.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,439.82 : 15,650.01 = 7,154.46 : x
  2. Step 2: Convert to fraction form
    10,439.82/15,650.01 = 7,154.46/x
  3. Step 3: Cross multiply
    10,439.82x = 15,650.01 × 7,154.46
  4. Step 4: Simplify right side
    10,439.82x = 111,967,370.54
  5. Step 5: Solve for x
    x = 111,967,370.54/10,439.82
  6. Step 6: Final answer
    x = 10,725.03

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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.