Home / 11,748.18-17,631.02-4,728.25

Finding the Fourth Proportional to 11,748.18, 17,631.02 and 4,728.25

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Solution

The fourth proportional to 11,748.18, 17,631.02 and 4,728.25 is: 7,095.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,748.18 : 17,631.02 = 4,728.25 : x
  2. Step 2: Convert to fraction form
    11,748.18/17,631.02 = 4,728.25/x
  3. Step 3: Cross multiply
    11,748.18x = 17,631.02 × 4,728.25
  4. Step 4: Simplify right side
    11,748.18x = 83,363,847.94
  5. Step 5: Solve for x
    x = 83,363,847.94/11,748.18
  6. Step 6: Final answer
    x = 7,095.90

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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.