Home / 15,885.05-23,822.64-10,986.17

Finding the Fourth Proportional to 15,885.05, 23,822.64 and 10,986.17

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Solution

The fourth proportional to 15,885.05, 23,822.64 and 10,986.17 is: 16,475.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,885.05 : 23,822.64 = 10,986.17 : x
  2. Step 2: Convert to fraction form
    15,885.05/23,822.64 = 10,986.17/x
  3. Step 3: Cross multiply
    15,885.05x = 23,822.64 × 10,986.17
  4. Step 4: Simplify right side
    15,885.05x = 261,719,453.78
  5. Step 5: Solve for x
    x = 261,719,453.78/15,885.05
  6. Step 6: Final answer
    x = 16,475.84

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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.