Home / 18,220.34-27,330.03-5,073.62

Finding the Fourth Proportional to 18,220.34, 27,330.03 and 5,073.62

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Solution

The fourth proportional to 18,220.34, 27,330.03 and 5,073.62 is: 7,610.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,220.34 : 27,330.03 = 5,073.62 : x
  2. Step 2: Convert to fraction form
    18,220.34/27,330.03 = 5,073.62/x
  3. Step 3: Cross multiply
    18,220.34x = 27,330.03 × 5,073.62
  4. Step 4: Simplify right side
    18,220.34x = 138,662,186.81
  5. Step 5: Solve for x
    x = 138,662,186.81/18,220.34
  6. Step 6: Final answer
    x = 7,610.30

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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.