Home / 18,487.76-27,719.50-6,635.58

Finding the Fourth Proportional to 18,487.76, 27,719.50 and 6,635.58

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Solution

The fourth proportional to 18,487.76, 27,719.50 and 6,635.58 is: 9,949.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,487.76 : 27,719.50 = 6,635.58 : x
  2. Step 2: Convert to fraction form
    18,487.76/27,719.50 = 6,635.58/x
  3. Step 3: Cross multiply
    18,487.76x = 27,719.50 × 6,635.58
  4. Step 4: Simplify right side
    18,487.76x = 183,934,926.63
  5. Step 5: Solve for x
    x = 183,934,926.63/18,487.76
  6. Step 6: Final answer
    x = 9,949.01

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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.