Home / 10,112.04-15,168.60-3,186

Finding the Fourth Proportional to 10,112.04, 15,168.60 and 3,186

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Solution

The fourth proportional to 10,112.04, 15,168.60 and 3,186 is: 4,779.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,112.04 : 15,168.60 = 3,186 : x
  2. Step 2: Convert to fraction form
    10,112.04/15,168.60 = 3,186/x
  3. Step 3: Cross multiply
    10,112.04x = 15,168.60 × 3,186
  4. Step 4: Simplify right side
    10,112.04x = 48,327,159.60
  5. Step 5: Solve for x
    x = 48,327,159.60/10,112.04
  6. Step 6: Final answer
    x = 4,779.17

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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.