Home / 22,108.70-30,509.43-12,037.34

Finding the Fourth Proportional to 22,108.70, 30,509.43 and 12,037.34

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Solution

The fourth proportional to 22,108.70, 30,509.43 and 12,037.34 is: 16,611.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,108.70 : 30,509.43 = 12,037.34 : x
  2. Step 2: Convert to fraction form
    22,108.70/30,509.43 = 12,037.34/x
  3. Step 3: Cross multiply
    22,108.70x = 30,509.43 × 12,037.34
  4. Step 4: Simplify right side
    22,108.70x = 367,252,382.12
  5. Step 5: Solve for x
    x = 367,252,382.12/22,108.70
  6. Step 6: Final answer
    x = 16,611.22

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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.