Home / 18,428.36-27,648.68-7,332.07

Finding the Fourth Proportional to 18,428.36, 27,648.68 and 7,332.07

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Solution

The fourth proportional to 18,428.36, 27,648.68 and 7,332.07 is: 11,000.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,428.36 : 27,648.68 = 7,332.07 : x
  2. Step 2: Convert to fraction form
    18,428.36/27,648.68 = 7,332.07/x
  3. Step 3: Cross multiply
    18,428.36x = 27,648.68 × 7,332.07
  4. Step 4: Simplify right side
    18,428.36x = 202,722,003.23
  5. Step 5: Solve for x
    x = 202,722,003.23/18,428.36
  6. Step 6: Final answer
    x = 11,000.54

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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.