Home / 12,729.64-19,007.33-11,404.84

Finding the Fourth Proportional to 12,729.64, 19,007.33 and 11,404.84

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Solution

The fourth proportional to 12,729.64, 19,007.33 and 11,404.84 is: 17,029.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,729.64 : 19,007.33 = 11,404.84 : x
  2. Step 2: Convert to fraction form
    12,729.64/19,007.33 = 11,404.84/x
  3. Step 3: Cross multiply
    12,729.64x = 19,007.33 × 11,404.84
  4. Step 4: Simplify right side
    12,729.64x = 216,775,557.48
  5. Step 5: Solve for x
    x = 216,775,557.48/12,729.64
  6. Step 6: Final answer
    x = 17,029.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.