Home / 19,339.85-28,960.54-12,746.04

Finding the Fourth Proportional to 19,339.85, 28,960.54 and 12,746.04

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Solution

The fourth proportional to 19,339.85, 28,960.54 and 12,746.04 is: 19,086.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,339.85 : 28,960.54 = 12,746.04 : x
  2. Step 2: Convert to fraction form
    19,339.85/28,960.54 = 12,746.04/x
  3. Step 3: Cross multiply
    19,339.85x = 28,960.54 × 12,746.04
  4. Step 4: Simplify right side
    19,339.85x = 369,132,223.70
  5. Step 5: Solve for x
    x = 369,132,223.70/19,339.85
  6. Step 6: Final answer
    x = 19,086.62

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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.