Home / 16,605.37-22,915.56-9,891.07

Finding the Fourth Proportional to 16,605.37, 22,915.56 and 9,891.07

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Solution

The fourth proportional to 16,605.37, 22,915.56 and 9,891.07 is: 13,649.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,605.37 : 22,915.56 = 9,891.07 : x
  2. Step 2: Convert to fraction form
    16,605.37/22,915.56 = 9,891.07/x
  3. Step 3: Cross multiply
    16,605.37x = 22,915.56 × 9,891.07
  4. Step 4: Simplify right side
    16,605.37x = 226,659,408.05
  5. Step 5: Solve for x
    x = 226,659,408.05/16,605.37
  6. Step 6: Final answer
    x = 13,649.77

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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.