Home / 11,015.16-15,195.96-6,539.10

Finding the Fourth Proportional to 11,015.16, 15,195.96 and 6,539.10

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Solution

The fourth proportional to 11,015.16, 15,195.96 and 6,539.10 is: 9,021.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,015.16 : 15,195.96 = 6,539.10 : x
  2. Step 2: Convert to fraction form
    11,015.16/15,195.96 = 6,539.10/x
  3. Step 3: Cross multiply
    11,015.16x = 15,195.96 × 6,539.10
  4. Step 4: Simplify right side
    11,015.16x = 99,367,902.04
  5. Step 5: Solve for x
    x = 99,367,902.04/11,015.16
  6. Step 6: Final answer
    x = 9,021.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.