Home / 13,830.49-20,743.26-4,470.13

Finding the Fourth Proportional to 13,830.49, 20,743.26 and 4,470.13

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Solution

The fourth proportional to 13,830.49, 20,743.26 and 4,470.13 is: 6,704.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,830.49 : 20,743.26 = 4,470.13 : x
  2. Step 2: Convert to fraction form
    13,830.49/20,743.26 = 4,470.13/x
  3. Step 3: Cross multiply
    13,830.49x = 20,743.26 × 4,470.13
  4. Step 4: Simplify right side
    13,830.49x = 92,725,068.82
  5. Step 5: Solve for x
    x = 92,725,068.82/13,830.49
  6. Step 6: Final answer
    x = 6,704.40

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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.