Home / 10,473.49-15,708.61-3,453.63

Finding the Fourth Proportional to 10,473.49, 15,708.61 and 3,453.63

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Solution

The fourth proportional to 10,473.49, 15,708.61 and 3,453.63 is: 5,179.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,473.49 : 15,708.61 = 3,453.63 : x
  2. Step 2: Convert to fraction form
    10,473.49/15,708.61 = 3,453.63/x
  3. Step 3: Cross multiply
    10,473.49x = 15,708.61 × 3,453.63
  4. Step 4: Simplify right side
    10,473.49x = 54,251,726.75
  5. Step 5: Solve for x
    x = 54,251,726.75/10,473.49
  6. Step 6: Final answer
    x = 5,179.91

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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.