Home / 13,074.33-18,043.27-7,410.18

Finding the Fourth Proportional to 13,074.33, 18,043.27 and 7,410.18

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Solution

The fourth proportional to 13,074.33, 18,043.27 and 7,410.18 is: 10,226.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,074.33 : 18,043.27 = 7,410.18 : x
  2. Step 2: Convert to fraction form
    13,074.33/18,043.27 = 7,410.18/x
  3. Step 3: Cross multiply
    13,074.33x = 18,043.27 × 7,410.18
  4. Step 4: Simplify right side
    13,074.33x = 133,703,878.49
  5. Step 5: Solve for x
    x = 133,703,878.49/13,074.33
  6. Step 6: Final answer
    x = 10,226.44

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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.