Home / 8,359.23-12,543.56-3,432.33

Finding the Fourth Proportional to 8,359.23, 12,543.56 and 3,432.33

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Solution

The fourth proportional to 8,359.23, 12,543.56 and 3,432.33 is: 5,150.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,359.23 : 12,543.56 = 3,432.33 : x
  2. Step 2: Convert to fraction form
    8,359.23/12,543.56 = 3,432.33/x
  3. Step 3: Cross multiply
    8,359.23x = 12,543.56 × 3,432.33
  4. Step 4: Simplify right side
    8,359.23x = 43,053,637.29
  5. Step 5: Solve for x
    x = 43,053,637.29/8,359.23
  6. Step 6: Final answer
    x = 5,150.43

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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.