Home / 22,265.28-30,725.80-12,704.92

Finding the Fourth Proportional to 22,265.28, 30,725.80 and 12,704.92

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Solution

The fourth proportional to 22,265.28, 30,725.80 and 12,704.92 is: 17,532.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,265.28 : 30,725.80 = 12,704.92 : x
  2. Step 2: Convert to fraction form
    22,265.28/30,725.80 = 12,704.92/x
  3. Step 3: Cross multiply
    22,265.28x = 30,725.80 × 12,704.92
  4. Step 4: Simplify right side
    22,265.28x = 390,368,722.36
  5. Step 5: Solve for x
    x = 390,368,722.36/22,265.28
  6. Step 6: Final answer
    x = 17,532.62

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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.