Home / 19,699.88-27,185.66-10,747.30

Finding the Fourth Proportional to 19,699.88, 27,185.66 and 10,747.30

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Solution

The fourth proportional to 19,699.88, 27,185.66 and 10,747.30 is: 14,831.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,699.88 : 27,185.66 = 10,747.30 : x
  2. Step 2: Convert to fraction form
    19,699.88/27,185.66 = 10,747.30/x
  3. Step 3: Cross multiply
    19,699.88x = 27,185.66 × 10,747.30
  4. Step 4: Simplify right side
    19,699.88x = 292,172,443.72
  5. Step 5: Solve for x
    x = 292,172,443.72/19,699.88
  6. Step 6: Final answer
    x = 14,831.18

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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.