Home / 13,389.68-20,063.39-10,878.62

Finding the Fourth Proportional to 13,389.68, 20,063.39 and 10,878.62

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Solution

The fourth proportional to 13,389.68, 20,063.39 and 10,878.62 is: 16,300.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,389.68 : 20,063.39 = 10,878.62 : x
  2. Step 2: Convert to fraction form
    13,389.68/20,063.39 = 10,878.62/x
  3. Step 3: Cross multiply
    13,389.68x = 20,063.39 × 10,878.62
  4. Step 4: Simplify right side
    13,389.68x = 218,261,841.01
  5. Step 5: Solve for x
    x = 218,261,841.01/13,389.68
  6. Step 6: Final answer
    x = 16,300.76

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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.