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Finding the Fourth Proportional to 8,898.53, 13,347.78 and 8,357.25

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Solution

The fourth proportional to 8,898.53, 13,347.78 and 8,357.25 is: 12,535.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,898.53 : 13,347.78 = 8,357.25 : x
  2. Step 2: Convert to fraction form
    8,898.53/13,347.78 = 8,357.25/x
  3. Step 3: Cross multiply
    8,898.53x = 13,347.78 × 8,357.25
  4. Step 4: Simplify right side
    8,898.53x = 111,550,734.41
  5. Step 5: Solve for x
    x = 111,550,734.41/8,898.53
  6. Step 6: Final answer
    x = 12,535.87

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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.