Home / 12,400.80-17,113.19-7,095.75

Finding the Fourth Proportional to 12,400.80, 17,113.19 and 7,095.75

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Solution

The fourth proportional to 12,400.80, 17,113.19 and 7,095.75 is: 9,792.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,400.80 : 17,113.19 = 7,095.75 : x
  2. Step 2: Convert to fraction form
    12,400.80/17,113.19 = 7,095.75/x
  3. Step 3: Cross multiply
    12,400.80x = 17,113.19 × 7,095.75
  4. Step 4: Simplify right side
    12,400.80x = 121,430,882.46
  5. Step 5: Solve for x
    x = 121,430,882.46/12,400.80
  6. Step 6: Final answer
    x = 9,792.18

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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.