Home / 18,685.54-28,027.50-4,645.27

Finding the Fourth Proportional to 18,685.54, 28,027.50 and 4,645.27

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Solution

The fourth proportional to 18,685.54, 28,027.50 and 4,645.27 is: 6,967.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,685.54 : 28,027.50 = 4,645.27 : x
  2. Step 2: Convert to fraction form
    18,685.54/28,027.50 = 4,645.27/x
  3. Step 3: Cross multiply
    18,685.54x = 28,027.50 × 4,645.27
  4. Step 4: Simplify right side
    18,685.54x = 130,195,304.93
  5. Step 5: Solve for x
    x = 130,195,304.93/18,685.54
  6. Step 6: Final answer
    x = 6,967.70

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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.