Home / 19,791.68-27,312.53-10,839.18

Finding the Fourth Proportional to 19,791.68, 27,312.53 and 10,839.18

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Solution

The fourth proportional to 19,791.68, 27,312.53 and 10,839.18 is: 14,958.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,791.68 : 27,312.53 = 10,839.18 : x
  2. Step 2: Convert to fraction form
    19,791.68/27,312.53 = 10,839.18/x
  3. Step 3: Cross multiply
    19,791.68x = 27,312.53 × 10,839.18
  4. Step 4: Simplify right side
    19,791.68x = 296,045,477.15
  5. Step 5: Solve for x
    x = 296,045,477.15/19,791.68
  6. Step 6: Final answer
    x = 14,958.08

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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.