Home / 13,340.57-18,410.38-7,966.16

Finding the Fourth Proportional to 13,340.57, 18,410.38 and 7,966.16

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Solution

The fourth proportional to 13,340.57, 18,410.38 and 7,966.16 is: 10,993.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,340.57 : 18,410.38 = 7,966.16 : x
  2. Step 2: Convert to fraction form
    13,340.57/18,410.38 = 7,966.16/x
  3. Step 3: Cross multiply
    13,340.57x = 18,410.38 × 7,966.16
  4. Step 4: Simplify right side
    13,340.57x = 146,660,032.74
  5. Step 5: Solve for x
    x = 146,660,032.74/13,340.57
  6. Step 6: Final answer
    x = 10,993.54

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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.