Home / 13,142.20-19,727.34-7,297.24

Finding the Fourth Proportional to 13,142.20, 19,727.34 and 7,297.24

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Solution

The fourth proportional to 13,142.20, 19,727.34 and 7,297.24 is: 10,953.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,142.20 : 19,727.34 = 7,297.24 : x
  2. Step 2: Convert to fraction form
    13,142.20/19,727.34 = 7,297.24/x
  3. Step 3: Cross multiply
    13,142.20x = 19,727.34 × 7,297.24
  4. Step 4: Simplify right side
    13,142.20x = 143,955,134.54
  5. Step 5: Solve for x
    x = 143,955,134.54/13,142.20
  6. Step 6: Final answer
    x = 10,953.66

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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.