Home / 19,839.12-27,376.75-11,341.81

Finding the Fourth Proportional to 19,839.12, 27,376.75 and 11,341.81

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Solution

The fourth proportional to 19,839.12, 27,376.75 and 11,341.81 is: 15,650.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,839.12 : 27,376.75 = 11,341.81 : x
  2. Step 2: Convert to fraction form
    19,839.12/27,376.75 = 11,341.81/x
  3. Step 3: Cross multiply
    19,839.12x = 27,376.75 × 11,341.81
  4. Step 4: Simplify right side
    19,839.12x = 310,501,896.92
  5. Step 5: Solve for x
    x = 310,501,896.92/19,839.12
  6. Step 6: Final answer
    x = 15,650.99

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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.