Home / 18,708.48-28,071.36-8,327.04

Finding the Fourth Proportional to 18,708.48, 28,071.36 and 8,327.04

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Solution

The fourth proportional to 18,708.48, 28,071.36 and 8,327.04 is: 12,494.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,708.48 : 28,071.36 = 8,327.04 : x
  2. Step 2: Convert to fraction form
    18,708.48/28,071.36 = 8,327.04/x
  3. Step 3: Cross multiply
    18,708.48x = 28,071.36 × 8,327.04
  4. Step 4: Simplify right side
    18,708.48x = 233,751,337.57
  5. Step 5: Solve for x
    x = 233,751,337.57/18,708.48
  6. Step 6: Final answer
    x = 12,494.41

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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.