Home / 22,838.44-31,513.08-12,766.48

Finding the Fourth Proportional to 22,838.44, 31,513.08 and 12,766.48

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Solution

The fourth proportional to 22,838.44, 31,513.08 and 12,766.48 is: 17,615.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,838.44 : 31,513.08 = 12,766.48 : x
  2. Step 2: Convert to fraction form
    22,838.44/31,513.08 = 12,766.48/x
  3. Step 3: Cross multiply
    22,838.44x = 31,513.08 × 12,766.48
  4. Step 4: Simplify right side
    22,838.44x = 402,311,105.56
  5. Step 5: Solve for x
    x = 402,311,105.56/22,838.44
  6. Step 6: Final answer
    x = 17,615.52

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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.