Home / 13,011.70-19,517.60-3,150.96

Finding the Fourth Proportional to 13,011.70, 19,517.60 and 3,150.96

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Solution

The fourth proportional to 13,011.70, 19,517.60 and 3,150.96 is: 4,726.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011.70 : 19,517.60 = 3,150.96 : x
  2. Step 2: Convert to fraction form
    13,011.70/19,517.60 = 3,150.96/x
  3. Step 3: Cross multiply
    13,011.70x = 19,517.60 × 3,150.96
  4. Step 4: Simplify right side
    13,011.70x = 61,499,176.90
  5. Step 5: Solve for x
    x = 61,499,176.90/13,011.70
  6. Step 6: Final answer
    x = 4,726.45

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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.