Home / 18,684.61-28,027.22-5,538.31

Finding the Fourth Proportional to 18,684.61, 28,027.22 and 5,538.31

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Solution

The fourth proportional to 18,684.61, 28,027.22 and 5,538.31 is: 8,307.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,684.61 : 28,027.22 = 5,538.31 : x
  2. Step 2: Convert to fraction form
    18,684.61/28,027.22 = 5,538.31/x
  3. Step 3: Cross multiply
    18,684.61x = 28,027.22 × 5,538.31
  4. Step 4: Simplify right side
    18,684.61x = 155,223,335.04
  5. Step 5: Solve for x
    x = 155,223,335.04/18,684.61
  6. Step 6: Final answer
    x = 8,307.55

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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.