Home / 10,748.60-16,101.30-5,557.40

Finding the Fourth Proportional to 10,748.60, 16,101.30 and 5,557.40

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Solution

The fourth proportional to 10,748.60, 16,101.30 and 5,557.40 is: 8,324.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,748.60 : 16,101.30 = 5,557.40 : x
  2. Step 2: Convert to fraction form
    10,748.60/16,101.30 = 5,557.40/x
  3. Step 3: Cross multiply
    10,748.60x = 16,101.30 × 5,557.40
  4. Step 4: Simplify right side
    10,748.60x = 89,481,364.62
  5. Step 5: Solve for x
    x = 89,481,364.62/10,748.60
  6. Step 6: Final answer
    x = 8,324.93

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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.