Home / 12,551.62-18,816.24-4,765.90

Finding the Fourth Proportional to 12,551.62, 18,816.24 and 4,765.90

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Solution

The fourth proportional to 12,551.62, 18,816.24 and 4,765.90 is: 7,144.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,551.62 : 18,816.24 = 4,765.90 : x
  2. Step 2: Convert to fraction form
    12,551.62/18,816.24 = 4,765.90/x
  3. Step 3: Cross multiply
    12,551.62x = 18,816.24 × 4,765.90
  4. Step 4: Simplify right side
    12,551.62x = 89,676,271.18
  5. Step 5: Solve for x
    x = 89,676,271.18/12,551.62
  6. Step 6: Final answer
    x = 7,144.60

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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.