Home / 10,657.07-15,985.91-3,261.36

Finding the Fourth Proportional to 10,657.07, 15,985.91 and 3,261.36

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Solution

The fourth proportional to 10,657.07, 15,985.91 and 3,261.36 is: 4,892.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,657.07 : 15,985.91 = 3,261.36 : x
  2. Step 2: Convert to fraction form
    10,657.07/15,985.91 = 3,261.36/x
  3. Step 3: Cross multiply
    10,657.07x = 15,985.91 × 3,261.36
  4. Step 4: Simplify right side
    10,657.07x = 52,135,807.44
  5. Step 5: Solve for x
    x = 52,135,807.44/10,657.07
  6. Step 6: Final answer
    x = 4,892.13

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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.