Home / 13,702.26-20,553.96-4,342.07

Finding the Fourth Proportional to 13,702.26, 20,553.96 and 4,342.07

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Solution

The fourth proportional to 13,702.26, 20,553.96 and 4,342.07 is: 6,513.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,702.26 : 20,553.96 = 4,342.07 : x
  2. Step 2: Convert to fraction form
    13,702.26/20,553.96 = 4,342.07/x
  3. Step 3: Cross multiply
    13,702.26x = 20,553.96 × 4,342.07
  4. Step 4: Simplify right side
    13,702.26x = 89,246,800.76
  5. Step 5: Solve for x
    x = 89,246,800.76/13,702.26
  6. Step 6: Final answer
    x = 6,513.29

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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.