Home / 13,544.12-18,691.59-7,575.44

Finding the Fourth Proportional to 13,544.12, 18,691.59 and 7,575.44

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Solution

The fourth proportional to 13,544.12, 18,691.59 and 7,575.44 is: 10,454.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,544.12 : 18,691.59 = 7,575.44 : x
  2. Step 2: Convert to fraction form
    13,544.12/18,691.59 = 7,575.44/x
  3. Step 3: Cross multiply
    13,544.12x = 18,691.59 × 7,575.44
  4. Step 4: Simplify right side
    13,544.12x = 141,596,925.09
  5. Step 5: Solve for x
    x = 141,596,925.09/13,544.12
  6. Step 6: Final answer
    x = 10,454.50

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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.