Home / 22,541.58-31,106.84-12,470.09

Finding the Fourth Proportional to 22,541.58, 31,106.84 and 12,470.09

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Solution

The fourth proportional to 22,541.58, 31,106.84 and 12,470.09 is: 17,208.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,541.58 : 31,106.84 = 12,470.09 : x
  2. Step 2: Convert to fraction form
    22,541.58/31,106.84 = 12,470.09/x
  3. Step 3: Cross multiply
    22,541.58x = 31,106.84 × 12,470.09
  4. Step 4: Simplify right side
    22,541.58x = 387,904,876.53
  5. Step 5: Solve for x
    x = 387,904,876.53/22,541.58
  6. Step 6: Final answer
    x = 17,208.42

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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.