Home / 19,388.71-29,044.99-12,794.77

Finding the Fourth Proportional to 19,388.71, 29,044.99 and 12,794.77

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Solution

The fourth proportional to 19,388.71, 29,044.99 and 12,794.77 is: 19,167.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,388.71 : 29,044.99 = 12,794.77 : x
  2. Step 2: Convert to fraction form
    19,388.71/29,044.99 = 12,794.77/x
  3. Step 3: Cross multiply
    19,388.71x = 29,044.99 × 12,794.77
  4. Step 4: Simplify right side
    19,388.71x = 371,623,966.70
  5. Step 5: Solve for x
    x = 371,623,966.70/19,388.71
  6. Step 6: Final answer
    x = 19,167.03

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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.