Home / 10,401.86-15,603.75-3,477.38

Finding the Fourth Proportional to 10,401.86, 15,603.75 and 3,477.38

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Solution

The fourth proportional to 10,401.86, 15,603.75 and 3,477.38 is: 5,216.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,401.86 : 15,603.75 = 3,477.38 : x
  2. Step 2: Convert to fraction form
    10,401.86/15,603.75 = 3,477.38/x
  3. Step 3: Cross multiply
    10,401.86x = 15,603.75 × 3,477.38
  4. Step 4: Simplify right side
    10,401.86x = 54,260,168.18
  5. Step 5: Solve for x
    x = 54,260,168.18/10,401.86
  6. Step 6: Final answer
    x = 5,216.39

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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.