Home / 17,220.70-23,758.45-11,255.81

Finding the Fourth Proportional to 17,220.70, 23,758.45 and 11,255.81

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Solution

The fourth proportional to 17,220.70, 23,758.45 and 11,255.81 is: 15,529.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,220.70 : 23,758.45 = 11,255.81 : x
  2. Step 2: Convert to fraction form
    17,220.70/23,758.45 = 11,255.81/x
  3. Step 3: Cross multiply
    17,220.70x = 23,758.45 × 11,255.81
  4. Step 4: Simplify right side
    17,220.70x = 267,420,424.02
  5. Step 5: Solve for x
    x = 267,420,424.02/17,220.70
  6. Step 6: Final answer
    x = 15,529.01

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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.