Home / 22,042.24-30,420.48-12,612.48

Finding the Fourth Proportional to 22,042.24, 30,420.48 and 12,612.48

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Solution

The fourth proportional to 22,042.24, 30,420.48 and 12,612.48 is: 17,406.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,042.24 : 30,420.48 = 12,612.48 : x
  2. Step 2: Convert to fraction form
    22,042.24/30,420.48 = 12,612.48/x
  3. Step 3: Cross multiply
    22,042.24x = 30,420.48 × 12,612.48
  4. Step 4: Simplify right side
    22,042.24x = 383,677,695.59
  5. Step 5: Solve for x
    x = 383,677,695.59/22,042.24
  6. Step 6: Final answer
    x = 17,406.47

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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.