Home / 11,066.88-15,266.94-6,589.20

Finding the Fourth Proportional to 11,066.88, 15,266.94 and 6,589.20

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Solution

The fourth proportional to 11,066.88, 15,266.94 and 6,589.20 is: 9,089.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,066.88 : 15,266.94 = 6,589.20 : x
  2. Step 2: Convert to fraction form
    11,066.88/15,266.94 = 6,589.20/x
  3. Step 3: Cross multiply
    11,066.88x = 15,266.94 × 6,589.20
  4. Step 4: Simplify right side
    11,066.88x = 100,596,921.05
  5. Step 5: Solve for x
    x = 100,596,921.05/11,066.88
  6. Step 6: Final answer
    x = 9,089.91

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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.