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Finding the Fourth Proportional to 15,347.58, 23,002.50 and 7,947.81

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Solution

The fourth proportional to 15,347.58, 23,002.50 and 7,947.81 is: 11,911.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,347.58 : 23,002.50 = 7,947.81 : x
  2. Step 2: Convert to fraction form
    15,347.58/23,002.50 = 7,947.81/x
  3. Step 3: Cross multiply
    15,347.58x = 23,002.50 × 7,947.81
  4. Step 4: Simplify right side
    15,347.58x = 182,819,499.53
  5. Step 5: Solve for x
    x = 182,819,499.53/15,347.58
  6. Step 6: Final answer
    x = 11,911.94

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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.