Home / 13,529.84-20,294.91-4,169.78

Finding the Fourth Proportional to 13,529.84, 20,294.91 and 4,169.78

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Solution

The fourth proportional to 13,529.84, 20,294.91 and 4,169.78 is: 6,254.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,529.84 : 20,294.91 = 4,169.78 : x
  2. Step 2: Convert to fraction form
    13,529.84/20,294.91 = 4,169.78/x
  3. Step 3: Cross multiply
    13,529.84x = 20,294.91 × 4,169.78
  4. Step 4: Simplify right side
    13,529.84x = 84,625,309.82
  5. Step 5: Solve for x
    x = 84,625,309.82/13,529.84
  6. Step 6: Final answer
    x = 6,254.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.