Home / 12,400.04-17,112.66-6,811.16

Finding the Fourth Proportional to 12,400.04, 17,112.66 and 6,811.16

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Solution

The fourth proportional to 12,400.04, 17,112.66 and 6,811.16 is: 9,399.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,400.04 : 17,112.66 = 6,811.16 : x
  2. Step 2: Convert to fraction form
    12,400.04/17,112.66 = 6,811.16/x
  3. Step 3: Cross multiply
    12,400.04x = 17,112.66 × 6,811.16
  4. Step 4: Simplify right side
    12,400.04x = 116,557,065.29
  5. Step 5: Solve for x
    x = 116,557,065.29/12,400.04
  6. Step 6: Final answer
    x = 9,399.73

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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.