Home / 12,229.29-16,838.64-9,551.33

Finding the Fourth Proportional to 12,229.29, 16,838.64 and 9,551.33

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Solution

The fourth proportional to 12,229.29, 16,838.64 and 9,551.33 is: 13,151.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,229.29 : 16,838.64 = 9,551.33 : x
  2. Step 2: Convert to fraction form
    12,229.29/16,838.64 = 9,551.33/x
  3. Step 3: Cross multiply
    12,229.29x = 16,838.64 × 9,551.33
  4. Step 4: Simplify right side
    12,229.29x = 160,831,407.39
  5. Step 5: Solve for x
    x = 160,831,407.39/12,229.29
  6. Step 6: Final answer
    x = 13,151.33

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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.