Home / 10,436.90-15,657.30-3,416.31

Finding the Fourth Proportional to 10,436.90, 15,657.30 and 3,416.31

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Solution

The fourth proportional to 10,436.90, 15,657.30 and 3,416.31 is: 5,125.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,436.90 : 15,657.30 = 3,416.31 : x
  2. Step 2: Convert to fraction form
    10,436.90/15,657.30 = 3,416.31/x
  3. Step 3: Cross multiply
    10,436.90x = 15,657.30 × 3,416.31
  4. Step 4: Simplify right side
    10,436.90x = 53,490,190.56
  5. Step 5: Solve for x
    x = 53,490,190.56/10,436.90
  6. Step 6: Final answer
    x = 5,125.11

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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.