Home / 11,207.60-16,810.72-4,965.78

Finding the Fourth Proportional to 11,207.60, 16,810.72 and 4,965.78

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Solution

The fourth proportional to 11,207.60, 16,810.72 and 4,965.78 is: 7,448.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,207.60 : 16,810.72 = 4,965.78 : x
  2. Step 2: Convert to fraction form
    11,207.60/16,810.72 = 4,965.78/x
  3. Step 3: Cross multiply
    11,207.60x = 16,810.72 × 4,965.78
  4. Step 4: Simplify right side
    11,207.60x = 83,478,337.16
  5. Step 5: Solve for x
    x = 83,478,337.16/11,207.60
  6. Step 6: Final answer
    x = 7,448.37

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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.