Home / 10,069.10-15,115.80-9,996.20

Finding the Fourth Proportional to 10,069.10, 15,115.80 and 9,996.20

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Solution

The fourth proportional to 10,069.10, 15,115.80 and 9,996.20 is: 15,006.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,069.10 : 15,115.80 = 9,996.20 : x
  2. Step 2: Convert to fraction form
    10,069.10/15,115.80 = 9,996.20/x
  3. Step 3: Cross multiply
    10,069.10x = 15,115.80 × 9,996.20
  4. Step 4: Simplify right side
    10,069.10x = 151,100,559.96
  5. Step 5: Solve for x
    x = 151,100,559.96/10,069.10
  6. Step 6: Final answer
    x = 15,006.36

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1.5x scale

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.