Home / 13,037.20-19,521.24-6,786.16

Finding the Fourth Proportional to 13,037.20, 19,521.24 and 6,786.16

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Solution

The fourth proportional to 13,037.20, 19,521.24 and 6,786.16 is: 10,161.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,037.20 : 19,521.24 = 6,786.16 : x
  2. Step 2: Convert to fraction form
    13,037.20/19,521.24 = 6,786.16/x
  3. Step 3: Cross multiply
    13,037.20x = 19,521.24 × 6,786.16
  4. Step 4: Simplify right side
    13,037.20x = 132,474,258.04
  5. Step 5: Solve for x
    x = 132,474,258.04/13,037.20
  6. Step 6: Final answer
    x = 10,161.25

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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.