Home / 19,791.41-27,312.15-10,839.09

Finding the Fourth Proportional to 19,791.41, 27,312.15 and 10,839.09

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Solution

The fourth proportional to 19,791.41, 27,312.15 and 10,839.09 is: 14,957.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,791.41 : 27,312.15 = 10,839.09 : x
  2. Step 2: Convert to fraction form
    19,791.41/27,312.15 = 10,839.09/x
  3. Step 3: Cross multiply
    19,791.41x = 27,312.15 × 10,839.09
  4. Step 4: Simplify right side
    19,791.41x = 296,038,851.94
  5. Step 5: Solve for x
    x = 296,038,851.94/19,791.41
  6. Step 6: Final answer
    x = 14,957.95

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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.