Home / 23,831.81-32,886.37-13,222.16

Finding the Fourth Proportional to 23,831.81, 32,886.37 and 13,222.16

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Solution

The fourth proportional to 23,831.81, 32,886.37 and 13,222.16 is: 18,245.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,831.81 : 32,886.37 = 13,222.16 : x
  2. Step 2: Convert to fraction form
    23,831.81/32,886.37 = 13,222.16/x
  3. Step 3: Cross multiply
    23,831.81x = 32,886.37 × 13,222.16
  4. Step 4: Simplify right side
    23,831.81x = 434,828,845.96
  5. Step 5: Solve for x
    x = 434,828,845.96/23,831.81
  6. Step 6: Final answer
    x = 18,245.73

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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.