Home / 11,065.77-16,569.36-9,126.63

Finding the Fourth Proportional to 11,065.77, 16,569.36 and 9,126.63

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Solution

The fourth proportional to 11,065.77, 16,569.36 and 9,126.63 is: 13,665.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,065.77 : 16,569.36 = 9,126.63 : x
  2. Step 2: Convert to fraction form
    11,065.77/16,569.36 = 9,126.63/x
  3. Step 3: Cross multiply
    11,065.77x = 16,569.36 × 9,126.63
  4. Step 4: Simplify right side
    11,065.77x = 151,222,418.06
  5. Step 5: Solve for x
    x = 151,222,418.06/11,065.77
  6. Step 6: Final answer
    x = 13,665.78

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1.5x scale

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.