Home / 10,596.78-15,877.88-5,395.50

Finding the Fourth Proportional to 10,596.78, 15,877.88 and 5,395.50

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Solution

The fourth proportional to 10,596.78, 15,877.88 and 5,395.50 is: 8,084.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,596.78 : 15,877.88 = 5,395.50 : x
  2. Step 2: Convert to fraction form
    10,596.78/15,877.88 = 5,395.50/x
  3. Step 3: Cross multiply
    10,596.78x = 15,877.88 × 5,395.50
  4. Step 4: Simplify right side
    10,596.78x = 85,669,101.54
  5. Step 5: Solve for x
    x = 85,669,101.54/10,596.78
  6. Step 6: Final answer
    x = 8,084.45

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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.