Home / 10,313.52-15,470.28-3,739.70

Finding the Fourth Proportional to 10,313.52, 15,470.28 and 3,739.70

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Solution

The fourth proportional to 10,313.52, 15,470.28 and 3,739.70 is: 5,609.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,313.52 : 15,470.28 = 3,739.70 : x
  2. Step 2: Convert to fraction form
    10,313.52/15,470.28 = 3,739.70/x
  3. Step 3: Cross multiply
    10,313.52x = 15,470.28 × 3,739.70
  4. Step 4: Simplify right side
    10,313.52x = 57,854,110.07
  5. Step 5: Solve for x
    x = 57,854,110.07/10,313.52
  6. Step 6: Final answer
    x = 5,609.54

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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.