Home / 19,948.20-29,898.94-12,823.35

Finding the Fourth Proportional to 19,948.20, 29,898.94 and 12,823.35

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Solution

The fourth proportional to 19,948.20, 29,898.94 and 12,823.35 is: 19,220.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,948.20 : 29,898.94 = 12,823.35 : x
  2. Step 2: Convert to fraction form
    19,948.20/29,898.94 = 12,823.35/x
  3. Step 3: Cross multiply
    19,948.20x = 29,898.94 × 12,823.35
  4. Step 4: Simplify right side
    19,948.20x = 383,404,572.25
  5. Step 5: Solve for x
    x = 383,404,572.25/19,948.20
  6. Step 6: Final answer
    x = 19,220.01

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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.