Home / 10,147.72-15,211.16-4,874.82

Finding the Fourth Proportional to 10,147.72, 15,211.16 and 4,874.82

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Solution

The fourth proportional to 10,147.72, 15,211.16 and 4,874.82 is: 7,307.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,147.72 : 15,211.16 = 4,874.82 : x
  2. Step 2: Convert to fraction form
    10,147.72/15,211.16 = 4,874.82/x
  3. Step 3: Cross multiply
    10,147.72x = 15,211.16 × 4,874.82
  4. Step 4: Simplify right side
    10,147.72x = 74,151,666.99
  5. Step 5: Solve for x
    x = 74,151,666.99/10,147.72
  6. Step 6: Final answer
    x = 7,307.22

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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.