Home / 19,436.81-26,831.07-13,067.09

Finding the Fourth Proportional to 19,436.81, 26,831.07 and 13,067.09

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Solution

The fourth proportional to 19,436.81, 26,831.07 and 13,067.09 is: 18,038.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,436.81 : 26,831.07 = 13,067.09 : x
  2. Step 2: Convert to fraction form
    19,436.81/26,831.07 = 13,067.09/x
  3. Step 3: Cross multiply
    19,436.81x = 26,831.07 × 13,067.09
  4. Step 4: Simplify right side
    19,436.81x = 350,604,141.41
  5. Step 5: Solve for x
    x = 350,604,141.41/19,436.81
  6. Step 6: Final answer
    x = 18,038.15

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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.