Home / 12,554.29-18,831.42-11,723.92

Finding the Fourth Proportional to 12,554.29, 18,831.42 and 11,723.92

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Solution

The fourth proportional to 12,554.29, 18,831.42 and 11,723.92 is: 17,585.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,554.29 : 18,831.42 = 11,723.92 : x
  2. Step 2: Convert to fraction form
    12,554.29/18,831.42 = 11,723.92/x
  3. Step 3: Cross multiply
    12,554.29x = 18,831.42 × 11,723.92
  4. Step 4: Simplify right side
    12,554.29x = 220,778,061.57
  5. Step 5: Solve for x
    x = 220,778,061.57/12,554.29
  6. Step 6: Final answer
    x = 17,585.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.