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Finding the Fourth Proportional to 13,032.95, 19,553.07 and 5,130.59

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Solution

The fourth proportional to 13,032.95, 19,553.07 and 5,130.59 is: 7,697.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,032.95 : 19,553.07 = 5,130.59 : x
  2. Step 2: Convert to fraction form
    13,032.95/19,553.07 = 5,130.59/x
  3. Step 3: Cross multiply
    13,032.95x = 19,553.07 × 5,130.59
  4. Step 4: Simplify right side
    13,032.95x = 100,318,687.65
  5. Step 5: Solve for x
    x = 100,318,687.65/13,032.95
  6. Step 6: Final answer
    x = 7,697.32

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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.