Home / 18,407.13-27,615.29-5,259.62

Finding the Fourth Proportional to 18,407.13, 27,615.29 and 5,259.62

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Solution

The fourth proportional to 18,407.13, 27,615.29 and 5,259.62 is: 7,890.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,407.13 : 27,615.29 = 5,259.62 : x
  2. Step 2: Convert to fraction form
    18,407.13/27,615.29 = 5,259.62/x
  3. Step 3: Cross multiply
    18,407.13x = 27,615.29 × 5,259.62
  4. Step 4: Simplify right side
    18,407.13x = 145,245,767.22
  5. Step 5: Solve for x
    x = 145,245,767.22/18,407.13
  6. Step 6: Final answer
    x = 7,890.73

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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.