Home / 15,737.26-21,716.77-9,018.21

Finding the Fourth Proportional to 15,737.26, 21,716.77 and 9,018.21

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Solution

The fourth proportional to 15,737.26, 21,716.77 and 9,018.21 is: 12,444.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,737.26 : 21,716.77 = 9,018.21 : x
  2. Step 2: Convert to fraction form
    15,737.26/21,716.77 = 9,018.21/x
  3. Step 3: Cross multiply
    15,737.26x = 21,716.77 × 9,018.21
  4. Step 4: Simplify right side
    15,737.26x = 195,846,392.38
  5. Step 5: Solve for x
    x = 195,846,392.38/15,737.26
  6. Step 6: Final answer
    x = 12,444.76

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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.