Home / 13,298.32-18,351.75-7,330.33

Finding the Fourth Proportional to 13,298.32, 18,351.75 and 7,330.33

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Solution

The fourth proportional to 13,298.32, 18,351.75 and 7,330.33 is: 10,115.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,298.32 : 18,351.75 = 7,330.33 : x
  2. Step 2: Convert to fraction form
    13,298.32/18,351.75 = 7,330.33/x
  3. Step 3: Cross multiply
    13,298.32x = 18,351.75 × 7,330.33
  4. Step 4: Simplify right side
    13,298.32x = 134,524,383.58
  5. Step 5: Solve for x
    x = 134,524,383.58/13,298.32
  6. Step 6: Final answer
    x = 10,115.89

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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.