Home / 10,307.62-15,464.32-3,386.98

Finding the Fourth Proportional to 10,307.62, 15,464.32 and 3,386.98

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Solution

The fourth proportional to 10,307.62, 15,464.32 and 3,386.98 is: 5,081.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,307.62 : 15,464.32 = 3,386.98 : x
  2. Step 2: Convert to fraction form
    10,307.62/15,464.32 = 3,386.98/x
  3. Step 3: Cross multiply
    10,307.62x = 15,464.32 × 3,386.98
  4. Step 4: Simplify right side
    10,307.62x = 52,377,342.55
  5. Step 5: Solve for x
    x = 52,377,342.55/10,307.62
  6. Step 6: Final answer
    x = 5,081.42

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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.