Home / 13,839.87-19,099.10-7,552.38

Finding the Fourth Proportional to 13,839.87, 19,099.10 and 7,552.38

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Solution

The fourth proportional to 13,839.87, 19,099.10 and 7,552.38 is: 10,422.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,839.87 : 19,099.10 = 7,552.38 : x
  2. Step 2: Convert to fraction form
    13,839.87/19,099.10 = 7,552.38/x
  3. Step 3: Cross multiply
    13,839.87x = 19,099.10 × 7,552.38
  4. Step 4: Simplify right side
    13,839.87x = 144,243,623.10
  5. Step 5: Solve for x
    x = 144,243,623.10/13,839.87
  6. Step 6: Final answer
    x = 10,422.32

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1.5x scale

Why These Related Problems?

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