Home / 16,187.40-22,336-10,222.28

Finding the Fourth Proportional to 16,187.40, 22,336 and 10,222.28

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Solution

The fourth proportional to 16,187.40, 22,336 and 10,222.28 is: 14,105.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,187.40 : 22,336 = 10,222.28 : x
  2. Step 2: Convert to fraction form
    16,187.40/22,336 = 10,222.28/x
  3. Step 3: Cross multiply
    16,187.40x = 22,336 × 10,222.28
  4. Step 4: Simplify right side
    16,187.40x = 228,324,846.08
  5. Step 5: Solve for x
    x = 228,324,846.08/16,187.40
  6. Step 6: Final answer
    x = 14,105.10

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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.