Home / 11,908.84-16,418.61-10,248.07

Finding the Fourth Proportional to 11,908.84, 16,418.61 and 10,248.07

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Solution

The fourth proportional to 11,908.84, 16,418.61 and 10,248.07 is: 14,128.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,908.84 : 16,418.61 = 10,248.07 : x
  2. Step 2: Convert to fraction form
    11,908.84/16,418.61 = 10,248.07/x
  3. Step 3: Cross multiply
    11,908.84x = 16,418.61 × 10,248.07
  4. Step 4: Simplify right side
    11,908.84x = 168,259,064.58
  5. Step 5: Solve for x
    x = 168,259,064.58/11,908.84
  6. Step 6: Final answer
    x = 14,128.92

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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.