Home / 18,052.32-27,089.40-7,664.07

Finding the Fourth Proportional to 18,052.32, 27,089.40 and 7,664.07

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Solution

The fourth proportional to 18,052.32, 27,089.40 and 7,664.07 is: 11,500.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,052.32 : 27,089.40 = 7,664.07 : x
  2. Step 2: Convert to fraction form
    18,052.32/27,089.40 = 7,664.07/x
  3. Step 3: Cross multiply
    18,052.32x = 27,089.40 × 7,664.07
  4. Step 4: Simplify right side
    18,052.32x = 207,615,057.86
  5. Step 5: Solve for x
    x = 207,615,057.86/18,052.32
  6. Step 6: Final answer
    x = 11,500.74

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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.