Home / 13,314.08-19,963.92-4,078.88

Finding the Fourth Proportional to 13,314.08, 19,963.92 and 4,078.88

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Solution

The fourth proportional to 13,314.08, 19,963.92 and 4,078.88 is: 6,116.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,314.08 : 19,963.92 = 4,078.88 : x
  2. Step 2: Convert to fraction form
    13,314.08/19,963.92 = 4,078.88/x
  3. Step 3: Cross multiply
    13,314.08x = 19,963.92 × 4,078.88
  4. Step 4: Simplify right side
    13,314.08x = 81,430,434.01
  5. Step 5: Solve for x
    x = 81,430,434.01/13,314.08
  6. Step 6: Final answer
    x = 6,116.11

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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.