Home / 13,206.44-19,788.68-10,729.20

Finding the Fourth Proportional to 13,206.44, 19,788.68 and 10,729.20

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Solution

The fourth proportional to 13,206.44, 19,788.68 and 10,729.20 is: 16,076.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,206.44 : 19,788.68 = 10,729.20 : x
  2. Step 2: Convert to fraction form
    13,206.44/19,788.68 = 10,729.20/x
  3. Step 3: Cross multiply
    13,206.44x = 19,788.68 × 10,729.20
  4. Step 4: Simplify right side
    13,206.44x = 212,316,705.46
  5. Step 5: Solve for x
    x = 212,316,705.46/13,206.44
  6. Step 6: Final answer
    x = 16,076.76

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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.