Home / 20,066.36-30,098.32-6,918.44

Finding the Fourth Proportional to 20,066.36, 30,098.32 and 6,918.44

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Solution

The fourth proportional to 20,066.36, 30,098.32 and 6,918.44 is: 10,377.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,066.36 : 30,098.32 = 6,918.44 : x
  2. Step 2: Convert to fraction form
    20,066.36/30,098.32 = 6,918.44/x
  3. Step 3: Cross multiply
    20,066.36x = 30,098.32 × 6,918.44
  4. Step 4: Simplify right side
    20,066.36x = 208,233,421.02
  5. Step 5: Solve for x
    x = 208,233,421.02/20,066.36
  6. Step 6: Final answer
    x = 10,377.24

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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.