Home / 22,264.36-30,724.48-12,192.72

Finding the Fourth Proportional to 22,264.36, 30,724.48 and 12,192.72

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Solution

The fourth proportional to 22,264.36, 30,724.48 and 12,192.72 is: 16,825.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,264.36 : 30,724.48 = 12,192.72 : x
  2. Step 2: Convert to fraction form
    22,264.36/30,724.48 = 12,192.72/x
  3. Step 3: Cross multiply
    22,264.36x = 30,724.48 × 12,192.72
  4. Step 4: Simplify right side
    22,264.36x = 374,614,981.79
  5. Step 5: Solve for x
    x = 374,614,981.79/22,264.36
  6. Step 6: Final answer
    x = 16,825.77

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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.