Home / 19,791.75-27,312-10,839.02

Finding the Fourth Proportional to 19,791.75, 27,312 and 10,839.02

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Solution

The fourth proportional to 19,791.75, 27,312 and 10,839.02 is: 14,957.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,791.75 : 27,312 = 10,839.02 : x
  2. Step 2: Convert to fraction form
    19,791.75/27,312 = 10,839.02/x
  3. Step 3: Cross multiply
    19,791.75x = 27,312 × 10,839.02
  4. Step 4: Simplify right side
    19,791.75x = 296,035,314.24
  5. Step 5: Solve for x
    x = 296,035,314.24/19,791.75
  6. Step 6: Final answer
    x = 14,957.51

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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.