Home / 11,329.26-15,636.24-6,612.63

Finding the Fourth Proportional to 11,329.26, 15,636.24 and 6,612.63

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Solution

The fourth proportional to 11,329.26, 15,636.24 and 6,612.63 is: 9,126.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,329.26 : 15,636.24 = 6,612.63 : x
  2. Step 2: Convert to fraction form
    11,329.26/15,636.24 = 6,612.63/x
  3. Step 3: Cross multiply
    11,329.26x = 15,636.24 × 6,612.63
  4. Step 4: Simplify right side
    11,329.26x = 103,396,669.71
  5. Step 5: Solve for x
    x = 103,396,669.71/11,329.26
  6. Step 6: Final answer
    x = 9,126.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.