Home / 12,904.72-19,269.44-12,554.80

Finding the Fourth Proportional to 12,904.72, 19,269.44 and 12,554.80

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Solution

The fourth proportional to 12,904.72, 19,269.44 and 12,554.80 is: 18,746.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,904.72 : 19,269.44 = 12,554.80 : x
  2. Step 2: Convert to fraction form
    12,904.72/19,269.44 = 12,554.80/x
  3. Step 3: Cross multiply
    12,904.72x = 19,269.44 × 12,554.80
  4. Step 4: Simplify right side
    12,904.72x = 241,923,965.31
  5. Step 5: Solve for x
    x = 241,923,965.31/12,904.72
  6. Step 6: Final answer
    x = 18,746.94

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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.