Home / 19,618.02-27,072.09-10,665.34

Finding the Fourth Proportional to 19,618.02, 27,072.09 and 10,665.34

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Solution

The fourth proportional to 19,618.02, 27,072.09 and 10,665.34 is: 14,717.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,618.02 : 27,072.09 = 10,665.34 : x
  2. Step 2: Convert to fraction form
    19,618.02/27,072.09 = 10,665.34/x
  3. Step 3: Cross multiply
    19,618.02x = 27,072.09 × 10,665.34
  4. Step 4: Simplify right side
    19,618.02x = 288,732,976.68
  5. Step 5: Solve for x
    x = 288,732,976.68/19,618.02
  6. Step 6: Final answer
    x = 14,717.74

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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.