Home / 10,618.36-15,921.06-4,376.44

Finding the Fourth Proportional to 10,618.36, 15,921.06 and 4,376.44

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Solution

The fourth proportional to 10,618.36, 15,921.06 and 4,376.44 is: 6,561.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,618.36 : 15,921.06 = 4,376.44 : x
  2. Step 2: Convert to fraction form
    10,618.36/15,921.06 = 4,376.44/x
  3. Step 3: Cross multiply
    10,618.36x = 15,921.06 × 4,376.44
  4. Step 4: Simplify right side
    10,618.36x = 69,677,563.83
  5. Step 5: Solve for x
    x = 69,677,563.83/10,618.36
  6. Step 6: Final answer
    x = 6,561.99

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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.