Home / 19,721.61-29,508.30-11,794.95

Finding the Fourth Proportional to 19,721.61, 29,508.30 and 11,794.95

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Solution

The fourth proportional to 19,721.61, 29,508.30 and 11,794.95 is: 17,648.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,721.61 : 29,508.30 = 11,794.95 : x
  2. Step 2: Convert to fraction form
    19,721.61/29,508.30 = 11,794.95/x
  3. Step 3: Cross multiply
    19,721.61x = 29,508.30 × 11,794.95
  4. Step 4: Simplify right side
    19,721.61x = 348,048,923.09
  5. Step 5: Solve for x
    x = 348,048,923.09/19,721.61
  6. Step 6: Final answer
    x = 17,648.10

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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.