Home / 12,974.72-17,838.98-11,544.60

Finding the Fourth Proportional to 12,974.72, 17,838.98 and 11,544.60

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Solution

The fourth proportional to 12,974.72, 17,838.98 and 11,544.60 is: 15,872.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,974.72 : 17,838.98 = 11,544.60 : x
  2. Step 2: Convert to fraction form
    12,974.72/17,838.98 = 11,544.60/x
  3. Step 3: Cross multiply
    12,974.72x = 17,838.98 × 11,544.60
  4. Step 4: Simplify right side
    12,974.72x = 205,943,888.51
  5. Step 5: Solve for x
    x = 205,943,888.51/12,974.72
  6. Step 6: Final answer
    x = 15,872.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.