Home / 13,886.13-20,831.36-4,523.97

Finding the Fourth Proportional to 13,886.13, 20,831.36 and 4,523.97

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Solution

The fourth proportional to 13,886.13, 20,831.36 and 4,523.97 is: 6,786.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,886.13 : 20,831.36 = 4,523.97 : x
  2. Step 2: Convert to fraction form
    13,886.13/20,831.36 = 4,523.97/x
  3. Step 3: Cross multiply
    13,886.13x = 20,831.36 × 4,523.97
  4. Step 4: Simplify right side
    13,886.13x = 94,240,445.87
  5. Step 5: Solve for x
    x = 94,240,445.87/13,886.13
  6. Step 6: Final answer
    x = 6,786.66

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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.