Home / 13,702.08-20,432.82-13,577.34

Finding the Fourth Proportional to 13,702.08, 20,432.82 and 13,577.34

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Solution

The fourth proportional to 13,702.08, 20,432.82 and 13,577.34 is: 20,246.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,702.08 : 20,432.82 = 13,577.34 : x
  2. Step 2: Convert to fraction form
    13,702.08/20,432.82 = 13,577.34/x
  3. Step 3: Cross multiply
    13,702.08x = 20,432.82 × 13,577.34
  4. Step 4: Simplify right side
    13,702.08x = 277,423,344.30
  5. Step 5: Solve for x
    x = 277,423,344.30/13,702.08
  6. Step 6: Final answer
    x = 20,246.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.