Home / 22,009.92-30,373.07-12,578.46

Finding the Fourth Proportional to 22,009.92, 30,373.07 and 12,578.46

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Solution

The fourth proportional to 22,009.92, 30,373.07 and 12,578.46 is: 17,357.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,009.92 : 30,373.07 = 12,578.46 : x
  2. Step 2: Convert to fraction form
    22,009.92/30,373.07 = 12,578.46/x
  3. Step 3: Cross multiply
    22,009.92x = 30,373.07 × 12,578.46
  4. Step 4: Simplify right side
    22,009.92x = 382,046,383.18
  5. Step 5: Solve for x
    x = 382,046,383.18/22,009.92
  6. Step 6: Final answer
    x = 17,357.92

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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.