Home / 10,153.87-15,237.29-3,918.91

Finding the Fourth Proportional to 10,153.87, 15,237.29 and 3,918.91

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Solution

The fourth proportional to 10,153.87, 15,237.29 and 3,918.91 is: 5,880.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,153.87 : 15,237.29 = 3,918.91 : x
  2. Step 2: Convert to fraction form
    10,153.87/15,237.29 = 3,918.91/x
  3. Step 3: Cross multiply
    10,153.87x = 15,237.29 × 3,918.91
  4. Step 4: Simplify right side
    10,153.87x = 59,713,568.15
  5. Step 5: Solve for x
    x = 59,713,568.15/10,153.87
  6. Step 6: Final answer
    x = 5,880.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.