Home / 11,648.09-16,074.41-6,342.95

Finding the Fourth Proportional to 11,648.09, 16,074.41 and 6,342.95

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Solution

The fourth proportional to 11,648.09, 16,074.41 and 6,342.95 is: 8,753.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,648.09 : 16,074.41 = 6,342.95 : x
  2. Step 2: Convert to fraction form
    11,648.09/16,074.41 = 6,342.95/x
  3. Step 3: Cross multiply
    11,648.09x = 16,074.41 × 6,342.95
  4. Step 4: Simplify right side
    11,648.09x = 101,959,066.82
  5. Step 5: Solve for x
    x = 101,959,066.82/11,648.09
  6. Step 6: Final answer
    x = 8,753.29

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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.