Home / 22,548.35-31,116.58-12,476.61

Finding the Fourth Proportional to 22,548.35, 31,116.58 and 12,476.61

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Solution

The fourth proportional to 22,548.35, 31,116.58 and 12,476.61 is: 17,217.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,548.35 : 31,116.58 = 12,476.61 : x
  2. Step 2: Convert to fraction form
    22,548.35/31,116.58 = 12,476.61/x
  3. Step 3: Cross multiply
    22,548.35x = 31,116.58 × 12,476.61
  4. Step 4: Simplify right side
    22,548.35x = 388,229,433.19
  5. Step 5: Solve for x
    x = 388,229,433.19/22,548.35
  6. Step 6: Final answer
    x = 17,217.64

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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.