Home / 10,919.02-15,067.80-6,202.78

Finding the Fourth Proportional to 10,919.02, 15,067.80 and 6,202.78

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Solution

The fourth proportional to 10,919.02, 15,067.80 and 6,202.78 is: 8,559.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,919.02 : 15,067.80 = 6,202.78 : x
  2. Step 2: Convert to fraction form
    10,919.02/15,067.80 = 6,202.78/x
  3. Step 3: Cross multiply
    10,919.02x = 15,067.80 × 6,202.78
  4. Step 4: Simplify right side
    10,919.02x = 93,462,248.48
  5. Step 5: Solve for x
    x = 93,462,248.48/10,919.02
  6. Step 6: Final answer
    x = 8,559.58

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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.