Home / 9,039.47-13,497.66-7,976.42

Finding the Fourth Proportional to 9,039.47, 13,497.66 and 7,976.42

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Solution

The fourth proportional to 9,039.47, 13,497.66 and 7,976.42 is: 11,910.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,039.47 : 13,497.66 = 7,976.42 : x
  2. Step 2: Convert to fraction form
    9,039.47/13,497.66 = 7,976.42/x
  3. Step 3: Cross multiply
    9,039.47x = 13,497.66 × 7,976.42
  4. Step 4: Simplify right side
    9,039.47x = 107,663,005.18
  5. Step 5: Solve for x
    x = 107,663,005.18/9,039.47
  6. Step 6: Final answer
    x = 11,910.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.