Home / 19,831.70-27,366-11,332.13

Finding the Fourth Proportional to 19,831.70, 27,366 and 11,332.13

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Solution

The fourth proportional to 19,831.70, 27,366 and 11,332.13 is: 15,637.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,831.70 : 27,366 = 11,332.13 : x
  2. Step 2: Convert to fraction form
    19,831.70/27,366 = 11,332.13/x
  3. Step 3: Cross multiply
    19,831.70x = 27,366 × 11,332.13
  4. Step 4: Simplify right side
    19,831.70x = 310,114,932.75
  5. Step 5: Solve for x
    x = 310,114,932.75/19,831.70
  6. Step 6: Final answer
    x = 15,637.34

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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.