Home / 13,529.62-20,196.82-12,923.13

Finding the Fourth Proportional to 13,529.62, 20,196.82 and 12,923.13

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Solution

The fourth proportional to 13,529.62, 20,196.82 and 12,923.13 is: 19,291.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,529.62 : 20,196.82 = 12,923.13 : x
  2. Step 2: Convert to fraction form
    13,529.62/20,196.82 = 12,923.13/x
  3. Step 3: Cross multiply
    13,529.62x = 20,196.82 × 12,923.13
  4. Step 4: Simplify right side
    13,529.62x = 261,006,130.45
  5. Step 5: Solve for x
    x = 261,006,130.45/13,529.62
  6. Step 6: Final answer
    x = 19,291.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.