Home / 19,600.48-29,388.12-12,929.23

Finding the Fourth Proportional to 19,600.48, 29,388.12 and 12,929.23

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Solution

The fourth proportional to 19,600.48, 29,388.12 and 12,929.23 is: 19,385.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,600.48 : 29,388.12 = 12,929.23 : x
  2. Step 2: Convert to fraction form
    19,600.48/29,388.12 = 12,929.23/x
  3. Step 3: Cross multiply
    19,600.48x = 29,388.12 × 12,929.23
  4. Step 4: Simplify right side
    19,600.48x = 379,965,762.75
  5. Step 5: Solve for x
    x = 379,965,762.75/19,600.48
  6. Step 6: Final answer
    x = 19,385.53

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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.