Home / 10,079.75-15,119.96-3,506.00

Finding the Fourth Proportional to 10,079.75, 15,119.96 and 3,506.00

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Solution

The fourth proportional to 10,079.75, 15,119.96 and 3,506.00 is: 5,259.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,079.75 : 15,119.96 = 3,506.00 : x
  2. Step 2: Convert to fraction form
    10,079.75/15,119.96 = 3,506.00/x
  3. Step 3: Cross multiply
    10,079.75x = 15,119.96 × 3,506.00
  4. Step 4: Simplify right side
    10,079.75x = 53,010,486.63
  5. Step 5: Solve for x
    x = 53,010,486.63/10,079.75
  6. Step 6: Final answer
    x = 5,259.11

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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.