Home / 17,939.55-26,909.33-5,458.46

Finding the Fourth Proportional to 17,939.55, 26,909.33 and 5,458.46

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Solution

The fourth proportional to 17,939.55, 26,909.33 and 5,458.46 is: 8,187.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,939.55 : 26,909.33 = 5,458.46 : x
  2. Step 2: Convert to fraction form
    17,939.55/26,909.33 = 5,458.46/x
  3. Step 3: Cross multiply
    17,939.55x = 26,909.33 × 5,458.46
  4. Step 4: Simplify right side
    17,939.55x = 146,883,541.41
  5. Step 5: Solve for x
    x = 146,883,541.41/17,939.55
  6. Step 6: Final answer
    x = 8,187.69

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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.