Home / 10,980.10-16,462.05-4,402.90

Finding the Fourth Proportional to 10,980.10, 16,462.05 and 4,402.90

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Solution

The fourth proportional to 10,980.10, 16,462.05 and 4,402.90 is: 6,601.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,980.10 : 16,462.05 = 4,402.90 : x
  2. Step 2: Convert to fraction form
    10,980.10/16,462.05 = 4,402.90/x
  3. Step 3: Cross multiply
    10,980.10x = 16,462.05 × 4,402.90
  4. Step 4: Simplify right side
    10,980.10x = 72,480,759.95
  5. Step 5: Solve for x
    x = 72,480,759.95/10,980.10
  6. Step 6: Final answer
    x = 6,601.10

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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.