Home / 12,469.08-18,703.20-5,071.56

Finding the Fourth Proportional to 12,469.08, 18,703.20 and 5,071.56

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Solution

The fourth proportional to 12,469.08, 18,703.20 and 5,071.56 is: 7,607.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,469.08 : 18,703.20 = 5,071.56 : x
  2. Step 2: Convert to fraction form
    12,469.08/18,703.20 = 5,071.56/x
  3. Step 3: Cross multiply
    12,469.08x = 18,703.20 × 5,071.56
  4. Step 4: Simplify right side
    12,469.08x = 94,854,400.99
  5. Step 5: Solve for x
    x = 94,854,400.99/12,469.08
  6. Step 6: Final answer
    x = 7,607.17

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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.