Home / 15,872.10-23,816.25-6,519.30

Finding the Fourth Proportional to 15,872.10, 23,816.25 and 6,519.30

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Solution

The fourth proportional to 15,872.10, 23,816.25 and 6,519.30 is: 9,782.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,872.10 : 23,816.25 = 6,519.30 : x
  2. Step 2: Convert to fraction form
    15,872.10/23,816.25 = 6,519.30/x
  3. Step 3: Cross multiply
    15,872.10x = 23,816.25 × 6,519.30
  4. Step 4: Simplify right side
    15,872.10x = 155,265,278.63
  5. Step 5: Solve for x
    x = 155,265,278.63/15,872.10
  6. Step 6: Final answer
    x = 9,782.28

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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.