Home / 10,368.80-15,553.18-2,577.62

Finding the Fourth Proportional to 10,368.80, 15,553.18 and 2,577.62

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Solution

The fourth proportional to 10,368.80, 15,553.18 and 2,577.62 is: 3,866.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368.80 : 15,553.18 = 2,577.62 : x
  2. Step 2: Convert to fraction form
    10,368.80/15,553.18 = 2,577.62/x
  3. Step 3: Cross multiply
    10,368.80x = 15,553.18 × 2,577.62
  4. Step 4: Simplify right side
    10,368.80x = 40,090,187.83
  5. Step 5: Solve for x
    x = 40,090,187.83/10,368.80
  6. Step 6: Final answer
    x = 3,866.43

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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.