Home / 18,092.74-27,143.40-7,556.89

Finding the Fourth Proportional to 18,092.74, 27,143.40 and 7,556.89

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Solution

The fourth proportional to 18,092.74, 27,143.40 and 7,556.89 is: 11,337.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,092.74 : 27,143.40 = 7,556.89 : x
  2. Step 2: Convert to fraction form
    18,092.74/27,143.40 = 7,556.89/x
  3. Step 3: Cross multiply
    18,092.74x = 27,143.40 × 7,556.89
  4. Step 4: Simplify right side
    18,092.74x = 205,119,688.03
  5. Step 5: Solve for x
    x = 205,119,688.03/18,092.74
  6. Step 6: Final answer
    x = 11,337.13

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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.