Home / 13,573.62-20,367.40-6,465.91

Finding the Fourth Proportional to 13,573.62, 20,367.40 and 6,465.91

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Solution

The fourth proportional to 13,573.62, 20,367.40 and 6,465.91 is: 9,702.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,573.62 : 20,367.40 = 6,465.91 : x
  2. Step 2: Convert to fraction form
    13,573.62/20,367.40 = 6,465.91/x
  3. Step 3: Cross multiply
    13,573.62x = 20,367.40 × 6,465.91
  4. Step 4: Simplify right side
    13,573.62x = 131,693,758.56
  5. Step 5: Solve for x
    x = 131,693,758.56/13,573.62
  6. Step 6: Final answer
    x = 9,702.18

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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.