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Finding the Fourth Proportional to 9,749.60, 14,624.40 and 8,943.20

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Solution

The fourth proportional to 9,749.60, 14,624.40 and 8,943.20 is: 13,414.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,749.60 : 14,624.40 = 8,943.20 : x
  2. Step 2: Convert to fraction form
    9,749.60/14,624.40 = 8,943.20/x
  3. Step 3: Cross multiply
    9,749.60x = 14,624.40 × 8,943.20
  4. Step 4: Simplify right side
    9,749.60x = 130,788,934.08
  5. Step 5: Solve for x
    x = 130,788,934.08/9,749.60
  6. Step 6: Final answer
    x = 13,414.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.