Home / 19,699.81-27,185.82-10,747.28

Finding the Fourth Proportional to 19,699.81, 27,185.82 and 10,747.28

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Solution

The fourth proportional to 19,699.81, 27,185.82 and 10,747.28 is: 14,831.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,699.81 : 27,185.82 = 10,747.28 : x
  2. Step 2: Convert to fraction form
    19,699.81/27,185.82 = 10,747.28/x
  3. Step 3: Cross multiply
    19,699.81x = 27,185.82 × 10,747.28
  4. Step 4: Simplify right side
    19,699.81x = 292,173,619.57
  5. Step 5: Solve for x
    x = 292,173,619.57/19,699.81
  6. Step 6: Final answer
    x = 14,831.29

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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.