Home / 22,256.63-30,712.34-12,696.47

Finding the Fourth Proportional to 22,256.63, 30,712.34 and 12,696.47

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Solution

The fourth proportional to 22,256.63, 30,712.34 and 12,696.47 is: 17,520.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,256.63 : 30,712.34 = 12,696.47 : x
  2. Step 2: Convert to fraction form
    22,256.63/30,712.34 = 12,696.47/x
  3. Step 3: Cross multiply
    22,256.63x = 30,712.34 × 12,696.47
  4. Step 4: Simplify right side
    22,256.63x = 389,938,239.96
  5. Step 5: Solve for x
    x = 389,938,239.96/22,256.63
  6. Step 6: Final answer
    x = 17,520.09

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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.