Home / 13,363.87-18,443.01-7,395.54

Finding the Fourth Proportional to 13,363.87, 18,443.01 and 7,395.54

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Solution

The fourth proportional to 13,363.87, 18,443.01 and 7,395.54 is: 10,206.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,363.87 : 18,443.01 = 7,395.54 : x
  2. Step 2: Convert to fraction form
    13,363.87/18,443.01 = 7,395.54/x
  3. Step 3: Cross multiply
    13,363.87x = 18,443.01 × 7,395.54
  4. Step 4: Simplify right side
    13,363.87x = 136,396,037.29
  5. Step 5: Solve for x
    x = 136,396,037.29/13,363.87
  6. Step 6: Final answer
    x = 10,206.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.