Home / 13,568.02-20,335.02-7,727.92

Finding the Fourth Proportional to 13,568.02, 20,335.02 and 7,727.92

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Solution

The fourth proportional to 13,568.02, 20,335.02 and 7,727.92 is: 11,582.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,568.02 : 20,335.02 = 7,727.92 : x
  2. Step 2: Convert to fraction form
    13,568.02/20,335.02 = 7,727.92/x
  3. Step 3: Cross multiply
    13,568.02x = 20,335.02 × 7,727.92
  4. Step 4: Simplify right side
    13,568.02x = 157,147,407.76
  5. Step 5: Solve for x
    x = 157,147,407.76/13,568.02
  6. Step 6: Final answer
    x = 11,582.19

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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.