Home / 13,985.14-19,299.12-7,697.53

Finding the Fourth Proportional to 13,985.14, 19,299.12 and 7,697.53

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Solution

The fourth proportional to 13,985.14, 19,299.12 and 7,697.53 is: 10,622.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,985.14 : 19,299.12 = 7,697.53 : x
  2. Step 2: Convert to fraction form
    13,985.14/19,299.12 = 7,697.53/x
  3. Step 3: Cross multiply
    13,985.14x = 19,299.12 × 7,697.53
  4. Step 4: Simplify right side
    13,985.14x = 148,555,555.17
  5. Step 5: Solve for x
    x = 148,555,555.17/13,985.14
  6. Step 6: Final answer
    x = 10,622.39

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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.