Home / 22,342.34-30,831.23-12,272.15

Finding the Fourth Proportional to 22,342.34, 30,831.23 and 12,272.15

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Solution

The fourth proportional to 22,342.34, 30,831.23 and 12,272.15 is: 16,934.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,342.34 : 30,831.23 = 12,272.15 : x
  2. Step 2: Convert to fraction form
    22,342.34/30,831.23 = 12,272.15/x
  3. Step 3: Cross multiply
    22,342.34x = 30,831.23 × 12,272.15
  4. Step 4: Simplify right side
    22,342.34x = 378,365,587.00
  5. Step 5: Solve for x
    x = 378,365,587.00/22,342.34
  6. Step 6: Final answer
    x = 16,934.91

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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.