Home / 18,001.90-26,999.38-4,850.97

Finding the Fourth Proportional to 18,001.90, 26,999.38 and 4,850.97

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Solution

The fourth proportional to 18,001.90, 26,999.38 and 4,850.97 is: 7,275.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,001.90 : 26,999.38 = 4,850.97 : x
  2. Step 2: Convert to fraction form
    18,001.90/26,999.38 = 4,850.97/x
  3. Step 3: Cross multiply
    18,001.90x = 26,999.38 × 4,850.97
  4. Step 4: Simplify right side
    18,001.90x = 130,973,182.40
  5. Step 5: Solve for x
    x = 130,973,182.40/18,001.90
  6. Step 6: Final answer
    x = 7,275.52

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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.