Home / 20,468.14-30,702.11-17,686.35

Finding the Fourth Proportional to 20,468.14, 30,702.11 and 17,686.35

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Solution

The fourth proportional to 20,468.14, 30,702.11 and 17,686.35 is: 26,529.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,468.14 : 30,702.11 = 17,686.35 : x
  2. Step 2: Convert to fraction form
    20,468.14/30,702.11 = 17,686.35/x
  3. Step 3: Cross multiply
    20,468.14x = 30,702.11 × 17,686.35
  4. Step 4: Simplify right side
    20,468.14x = 543,008,174.77
  5. Step 5: Solve for x
    x = 543,008,174.77/20,468.14
  6. Step 6: Final answer
    x = 26,529.44

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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.