Home / 10,329.49-15,489.42-5,064.76

Finding the Fourth Proportional to 10,329.49, 15,489.42 and 5,064.76

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Solution

The fourth proportional to 10,329.49, 15,489.42 and 5,064.76 is: 7,594.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,329.49 : 15,489.42 = 5,064.76 : x
  2. Step 2: Convert to fraction form
    10,329.49/15,489.42 = 5,064.76/x
  3. Step 3: Cross multiply
    10,329.49x = 15,489.42 × 5,064.76
  4. Step 4: Simplify right side
    10,329.49x = 78,450,194.84
  5. Step 5: Solve for x
    x = 78,450,194.84/10,329.49
  6. Step 6: Final answer
    x = 7,594.78

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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.