Home / 13,575.06-18,730.32-9,097.18

Finding the Fourth Proportional to 13,575.06, 18,730.32 and 9,097.18

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Solution

The fourth proportional to 13,575.06, 18,730.32 and 9,097.18 is: 12,551.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,575.06 : 18,730.32 = 9,097.18 : x
  2. Step 2: Convert to fraction form
    13,575.06/18,730.32 = 9,097.18/x
  3. Step 3: Cross multiply
    13,575.06x = 18,730.32 × 9,097.18
  4. Step 4: Simplify right side
    13,575.06x = 170,393,092.50
  5. Step 5: Solve for x
    x = 170,393,092.50/13,575.06
  6. Step 6: Final answer
    x = 12,551.92

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.