Home / 10,919.73-15,069.15-6,204.01

Finding the Fourth Proportional to 10,919.73, 15,069.15 and 6,204.01

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Solution

The fourth proportional to 10,919.73, 15,069.15 and 6,204.01 is: 8,561.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,919.73 : 15,069.15 = 6,204.01 : x
  2. Step 2: Convert to fraction form
    10,919.73/15,069.15 = 6,204.01/x
  3. Step 3: Cross multiply
    10,919.73x = 15,069.15 × 6,204.01
  4. Step 4: Simplify right side
    10,919.73x = 93,489,157.29
  5. Step 5: Solve for x
    x = 93,489,157.29/10,919.73
  6. Step 6: Final answer
    x = 8,561.49

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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.