Home / 13,330.64-19,953.64-7,469.36

Finding the Fourth Proportional to 13,330.64, 19,953.64 and 7,469.36

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Solution

The fourth proportional to 13,330.64, 19,953.64 and 7,469.36 is: 11,180.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,330.64 : 19,953.64 = 7,469.36 : x
  2. Step 2: Convert to fraction form
    13,330.64/19,953.64 = 7,469.36/x
  3. Step 3: Cross multiply
    13,330.64x = 19,953.64 × 7,469.36
  4. Step 4: Simplify right side
    13,330.64x = 149,040,920.47
  5. Step 5: Solve for x
    x = 149,040,920.47/13,330.64
  6. Step 6: Final answer
    x = 11,180.33

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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.