Home / 19,122.06-26,401.17-11,962.81

Finding the Fourth Proportional to 19,122.06, 26,401.17 and 11,962.81

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Solution

The fourth proportional to 19,122.06, 26,401.17 and 11,962.81 is: 16,516.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,122.06 : 26,401.17 = 11,962.81 : x
  2. Step 2: Convert to fraction form
    19,122.06/26,401.17 = 11,962.81/x
  3. Step 3: Cross multiply
    19,122.06x = 26,401.17 × 11,962.81
  4. Step 4: Simplify right side
    19,122.06x = 315,832,180.49
  5. Step 5: Solve for x
    x = 315,832,180.49/19,122.06
  6. Step 6: Final answer
    x = 16,516.64

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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.