Home / 13,299.13-19,944.24-6,721.12

Finding the Fourth Proportional to 13,299.13, 19,944.24 and 6,721.12

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Solution

The fourth proportional to 13,299.13, 19,944.24 and 6,721.12 is: 10,079.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,299.13 : 19,944.24 = 6,721.12 : x
  2. Step 2: Convert to fraction form
    13,299.13/19,944.24 = 6,721.12/x
  3. Step 3: Cross multiply
    13,299.13x = 19,944.24 × 6,721.12
  4. Step 4: Simplify right side
    13,299.13x = 134,047,630.35
  5. Step 5: Solve for x
    x = 134,047,630.35/13,299.13
  6. Step 6: Final answer
    x = 10,079.43

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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.