Home / 19,764.48-29,646.72-7,923.66

Finding the Fourth Proportional to 19,764.48, 29,646.72 and 7,923.66

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Solution

The fourth proportional to 19,764.48, 29,646.72 and 7,923.66 is: 11,885.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,764.48 : 29,646.72 = 7,923.66 : x
  2. Step 2: Convert to fraction form
    19,764.48/29,646.72 = 7,923.66/x
  3. Step 3: Cross multiply
    19,764.48x = 29,646.72 × 7,923.66
  4. Step 4: Simplify right side
    19,764.48x = 234,910,529.40
  5. Step 5: Solve for x
    x = 234,910,529.40/19,764.48
  6. Step 6: Final answer
    x = 11,885.49

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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.