Home / 12,569.26-18,856.33-4,777.47

Finding the Fourth Proportional to 12,569.26, 18,856.33 and 4,777.47

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Solution

The fourth proportional to 12,569.26, 18,856.33 and 4,777.47 is: 7,167.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,569.26 : 18,856.33 = 4,777.47 : x
  2. Step 2: Convert to fraction form
    12,569.26/18,856.33 = 4,777.47/x
  3. Step 3: Cross multiply
    12,569.26x = 18,856.33 × 4,777.47
  4. Step 4: Simplify right side
    12,569.26x = 90,085,550.89
  5. Step 5: Solve for x
    x = 90,085,550.89/12,569.26
  6. Step 6: Final answer
    x = 7,167.13

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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.