Home / 19,765.06-27,287.06-13,070.11

Finding the Fourth Proportional to 19,765.06, 27,287.06 and 13,070.11

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Solution

The fourth proportional to 19,765.06, 27,287.06 and 13,070.11 is: 18,044.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,765.06 : 27,287.06 = 13,070.11 : x
  2. Step 2: Convert to fraction form
    19,765.06/27,287.06 = 13,070.11/x
  3. Step 3: Cross multiply
    19,765.06x = 27,287.06 × 13,070.11
  4. Step 4: Simplify right side
    19,765.06x = 356,644,866.89
  5. Step 5: Solve for x
    x = 356,644,866.89/19,765.06
  6. Step 6: Final answer
    x = 18,044.21

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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.