Home / 22,042.19-30,417.39-11,970.42

Finding the Fourth Proportional to 22,042.19, 30,417.39 and 11,970.42

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Solution

The fourth proportional to 22,042.19, 30,417.39 and 11,970.42 is: 16,518.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,042.19 : 30,417.39 = 11,970.42 : x
  2. Step 2: Convert to fraction form
    22,042.19/30,417.39 = 11,970.42/x
  3. Step 3: Cross multiply
    22,042.19x = 30,417.39 × 11,970.42
  4. Step 4: Simplify right side
    22,042.19x = 364,108,721.66
  5. Step 5: Solve for x
    x = 364,108,721.66/22,042.19
  6. Step 6: Final answer
    x = 16,518.72

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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.