Home / 12,703.85-19,055.78-5,304.27

Finding the Fourth Proportional to 12,703.85, 19,055.78 and 5,304.27

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Solution

The fourth proportional to 12,703.85, 19,055.78 and 5,304.27 is: 7,956.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,703.85 : 19,055.78 = 5,304.27 : x
  2. Step 2: Convert to fraction form
    12,703.85/19,055.78 = 5,304.27/x
  3. Step 3: Cross multiply
    12,703.85x = 19,055.78 × 5,304.27
  4. Step 4: Simplify right side
    12,703.85x = 101,076,975.66
  5. Step 5: Solve for x
    x = 101,076,975.66/12,703.85
  6. Step 6: Final answer
    x = 7,956.41

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Similar ratio
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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.