Home / 15,793.22-23,680.80-12,678.97

Finding the Fourth Proportional to 15,793.22, 23,680.80 and 12,678.97

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Solution

The fourth proportional to 15,793.22, 23,680.80 and 12,678.97 is: 19,011.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,793.22 : 23,680.80 = 12,678.97 : x
  2. Step 2: Convert to fraction form
    15,793.22/23,680.80 = 12,678.97/x
  3. Step 3: Cross multiply
    15,793.22x = 23,680.80 × 12,678.97
  4. Step 4: Simplify right side
    15,793.22x = 300,248,152.78
  5. Step 5: Solve for x
    x = 300,248,152.78/15,793.22
  6. Step 6: Final answer
    x = 19,011.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.