Home / 9,821.47-14,732.21-6,912.76

Finding the Fourth Proportional to 9,821.47, 14,732.21 and 6,912.76

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Solution

The fourth proportional to 9,821.47, 14,732.21 and 6,912.76 is: 10,369.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,821.47 : 14,732.21 = 6,912.76 : x
  2. Step 2: Convert to fraction form
    9,821.47/14,732.21 = 6,912.76/x
  3. Step 3: Cross multiply
    9,821.47x = 14,732.21 × 6,912.76
  4. Step 4: Simplify right side
    9,821.47x = 101,840,232.00
  5. Step 5: Solve for x
    x = 101,840,232.00/9,821.47
  6. Step 6: Final answer
    x = 10,369.14

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Half scale
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Double scale
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Similar ratio
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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.