Home / 12,329.92-17,015.37-7,025.13

Finding the Fourth Proportional to 12,329.92, 17,015.37 and 7,025.13

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Solution

The fourth proportional to 12,329.92, 17,015.37 and 7,025.13 is: 9,694.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,329.92 : 17,015.37 = 7,025.13 : x
  2. Step 2: Convert to fraction form
    12,329.92/17,015.37 = 7,025.13/x
  3. Step 3: Cross multiply
    12,329.92x = 17,015.37 × 7,025.13
  4. Step 4: Simplify right side
    12,329.92x = 119,535,159.90
  5. Step 5: Solve for x
    x = 119,535,159.90/12,329.92
  6. Step 6: Final answer
    x = 9,694.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.