Home / 18,693.86-28,040.85-5,546.33

Finding the Fourth Proportional to 18,693.86, 28,040.85 and 5,546.33

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Solution

The fourth proportional to 18,693.86, 28,040.85 and 5,546.33 is: 8,319.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,693.86 : 28,040.85 = 5,546.33 : x
  2. Step 2: Convert to fraction form
    18,693.86/28,040.85 = 5,546.33/x
  3. Step 3: Cross multiply
    18,693.86x = 28,040.85 × 5,546.33
  4. Step 4: Simplify right side
    18,693.86x = 155,523,807.58
  5. Step 5: Solve for x
    x = 155,523,807.58/18,693.86
  6. Step 6: Final answer
    x = 8,319.51

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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.