Home / 19,617.47-27,072.10-10,664.95

Finding the Fourth Proportional to 19,617.47, 27,072.10 and 10,664.95

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Solution

The fourth proportional to 19,617.47, 27,072.10 and 10,664.95 is: 14,717.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,617.47 : 27,072.10 = 10,664.95 : x
  2. Step 2: Convert to fraction form
    19,617.47/27,072.10 = 10,664.95/x
  3. Step 3: Cross multiply
    19,617.47x = 27,072.10 × 10,664.95
  4. Step 4: Simplify right side
    19,617.47x = 288,722,592.90
  5. Step 5: Solve for x
    x = 288,722,592.90/19,617.47
  6. Step 6: Final answer
    x = 14,717.63

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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.