Home / 18,858.06-28,290.65-8,998.02

Finding the Fourth Proportional to 18,858.06, 28,290.65 and 8,998.02

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Solution

The fourth proportional to 18,858.06, 28,290.65 and 8,998.02 is: 13,498.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,858.06 : 28,290.65 = 8,998.02 : x
  2. Step 2: Convert to fraction form
    18,858.06/28,290.65 = 8,998.02/x
  3. Step 3: Cross multiply
    18,858.06x = 28,290.65 × 8,998.02
  4. Step 4: Simplify right side
    18,858.06x = 254,559,789.52
  5. Step 5: Solve for x
    x = 254,559,789.52/18,858.06
  6. Step 6: Final answer
    x = 13,498.73

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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.