Home / 9,946.92-13,721.28-6,306.30

Finding the Fourth Proportional to 9,946.92, 13,721.28 and 6,306.30

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Solution

The fourth proportional to 9,946.92, 13,721.28 and 6,306.30 is: 8,699.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,946.92 : 13,721.28 = 6,306.30 : x
  2. Step 2: Convert to fraction form
    9,946.92/13,721.28 = 6,306.30/x
  3. Step 3: Cross multiply
    9,946.92x = 13,721.28 × 6,306.30
  4. Step 4: Simplify right side
    9,946.92x = 86,530,508.06
  5. Step 5: Solve for x
    x = 86,530,508.06/9,946.92
  6. Step 6: Final answer
    x = 8,699.23

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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.