Home / 9,821.04-13,552.92-6,468.72

Finding the Fourth Proportional to 9,821.04, 13,552.92 and 6,468.72

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Solution

The fourth proportional to 9,821.04, 13,552.92 and 6,468.72 is: 8,926.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,821.04 : 13,552.92 = 6,468.72 : x
  2. Step 2: Convert to fraction form
    9,821.04/13,552.92 = 6,468.72/x
  3. Step 3: Cross multiply
    9,821.04x = 13,552.92 × 6,468.72
  4. Step 4: Simplify right side
    9,821.04x = 87,670,044.66
  5. Step 5: Solve for x
    x = 87,670,044.66/9,821.04
  6. Step 6: Final answer
    x = 8,926.76

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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.