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Finding the Fourth Proportional to 9,881.58, 14,805.90 and 6,953.73

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Solution

The fourth proportional to 9,881.58, 14,805.90 and 6,953.73 is: 10,419.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,881.58 : 14,805.90 = 6,953.73 : x
  2. Step 2: Convert to fraction form
    9,881.58/14,805.90 = 6,953.73/x
  3. Step 3: Cross multiply
    9,881.58x = 14,805.90 × 6,953.73
  4. Step 4: Simplify right side
    9,881.58x = 102,956,231.01
  5. Step 5: Solve for x
    x = 102,956,231.01/9,881.58
  6. Step 6: Final answer
    x = 10,419.00

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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.