Home / 13,963.39-19,289.10-12,702.22

Finding the Fourth Proportional to 13,963.39, 19,289.10 and 12,702.22

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Solution

The fourth proportional to 13,963.39, 19,289.10 and 12,702.22 is: 17,546.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,963.39 : 19,289.10 = 12,702.22 : x
  2. Step 2: Convert to fraction form
    13,963.39/19,289.10 = 12,702.22/x
  3. Step 3: Cross multiply
    13,963.39x = 19,289.10 × 12,702.22
  4. Step 4: Simplify right side
    13,963.39x = 245,014,391.80
  5. Step 5: Solve for x
    x = 245,014,391.80/13,963.39
  6. Step 6: Final answer
    x = 17,546.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.