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Finding the Fourth Proportional to 9,872.28, 14,810.83 and 6,956.28

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Solution

The fourth proportional to 9,872.28, 14,810.83 and 6,956.28 is: 10,436.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,872.28 : 14,810.83 = 6,956.28 : x
  2. Step 2: Convert to fraction form
    9,872.28/14,810.83 = 6,956.28/x
  3. Step 3: Cross multiply
    9,872.28x = 14,810.83 × 6,956.28
  4. Step 4: Simplify right side
    9,872.28x = 103,028,263.12
  5. Step 5: Solve for x
    x = 103,028,263.12/9,872.28
  6. Step 6: Final answer
    x = 10,436.12

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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.