Home / 10,919.80-16,360.26-5,066.20

Finding the Fourth Proportional to 10,919.80, 16,360.26 and 5,066.20

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Solution

The fourth proportional to 10,919.80, 16,360.26 and 5,066.20 is: 7,590.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,919.80 : 16,360.26 = 5,066.20 : x
  2. Step 2: Convert to fraction form
    10,919.80/16,360.26 = 5,066.20/x
  3. Step 3: Cross multiply
    10,919.80x = 16,360.26 × 5,066.20
  4. Step 4: Simplify right side
    10,919.80x = 82,884,349.21
  5. Step 5: Solve for x
    x = 82,884,349.21/10,919.80
  6. Step 6: Final answer
    x = 7,590.28

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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.