Home / 13,872.99-19,144.53-7,585.32

Finding the Fourth Proportional to 13,872.99, 19,144.53 and 7,585.32

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Solution

The fourth proportional to 13,872.99, 19,144.53 and 7,585.32 is: 10,467.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,872.99 : 19,144.53 = 7,585.32 : x
  2. Step 2: Convert to fraction form
    13,872.99/19,144.53 = 7,585.32/x
  3. Step 3: Cross multiply
    13,872.99x = 19,144.53 × 7,585.32
  4. Step 4: Simplify right side
    13,872.99x = 145,217,386.30
  5. Step 5: Solve for x
    x = 145,217,386.30/13,872.99
  6. Step 6: Final answer
    x = 10,467.63

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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.