Home / 13,849.32-19,105.97-9,371.51

Finding the Fourth Proportional to 13,849.32, 19,105.97 and 9,371.51

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Solution

The fourth proportional to 13,849.32, 19,105.97 and 9,371.51 is: 12,928.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,849.32 : 19,105.97 = 9,371.51 : x
  2. Step 2: Convert to fraction form
    13,849.32/19,105.97 = 9,371.51/x
  3. Step 3: Cross multiply
    13,849.32x = 19,105.97 × 9,371.51
  4. Step 4: Simplify right side
    13,849.32x = 179,051,646.53
  5. Step 5: Solve for x
    x = 179,051,646.53/13,849.32
  6. Step 6: Final answer
    x = 12,928.55

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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.