Home / 10,851.59-16,277.39-4,278.44

Finding the Fourth Proportional to 10,851.59, 16,277.39 and 4,278.44

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Solution

The fourth proportional to 10,851.59, 16,277.39 and 4,278.44 is: 6,417.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,851.59 : 16,277.39 = 4,278.44 : x
  2. Step 2: Convert to fraction form
    10,851.59/16,277.39 = 4,278.44/x
  3. Step 3: Cross multiply
    10,851.59x = 16,277.39 × 4,278.44
  4. Step 4: Simplify right side
    10,851.59x = 69,641,836.47
  5. Step 5: Solve for x
    x = 69,641,836.47/10,851.59
  6. Step 6: Final answer
    x = 6,417.66

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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.