Home / 11,209.60-16,810.35-4,543.30

Finding the Fourth Proportional to 11,209.60, 16,810.35 and 4,543.30

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Solution

The fourth proportional to 11,209.60, 16,810.35 and 4,543.30 is: 6,813.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,209.60 : 16,810.35 = 4,543.30 : x
  2. Step 2: Convert to fraction form
    11,209.60/16,810.35 = 4,543.30/x
  3. Step 3: Cross multiply
    11,209.60x = 16,810.35 × 4,543.30
  4. Step 4: Simplify right side
    11,209.60x = 76,374,463.16
  5. Step 5: Solve for x
    x = 76,374,463.16/11,209.60
  6. Step 6: Final answer
    x = 6,813.31

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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.