Home / 13,288.82-19,944.81-7,053.44

Finding the Fourth Proportional to 13,288.82, 19,944.81 and 7,053.44

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Solution

The fourth proportional to 13,288.82, 19,944.81 and 7,053.44 is: 10,586.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,288.82 : 19,944.81 = 7,053.44 : x
  2. Step 2: Convert to fraction form
    13,288.82/19,944.81 = 7,053.44/x
  3. Step 3: Cross multiply
    13,288.82x = 19,944.81 × 7,053.44
  4. Step 4: Simplify right side
    13,288.82x = 140,679,420.92
  5. Step 5: Solve for x
    x = 140,679,420.92/13,288.82
  6. Step 6: Final answer
    x = 10,586.30

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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.