Home / 9,929.64-13,702.82-5,737.88

Finding the Fourth Proportional to 9,929.64, 13,702.82 and 5,737.88

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Solution

The fourth proportional to 9,929.64, 13,702.82 and 5,737.88 is: 7,918.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,929.64 : 13,702.82 = 5,737.88 : x
  2. Step 2: Convert to fraction form
    9,929.64/13,702.82 = 5,737.88/x
  3. Step 3: Cross multiply
    9,929.64x = 13,702.82 × 5,737.88
  4. Step 4: Simplify right side
    9,929.64x = 78,625,136.82
  5. Step 5: Solve for x
    x = 78,625,136.82/9,929.64
  6. Step 6: Final answer
    x = 7,918.23

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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.