Home / 16,316.58-22,516.20-9,243.39

Finding the Fourth Proportional to 16,316.58, 22,516.20 and 9,243.39

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Solution

The fourth proportional to 16,316.58, 22,516.20 and 9,243.39 is: 12,755.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,316.58 : 22,516.20 = 9,243.39 : x
  2. Step 2: Convert to fraction form
    16,316.58/22,516.20 = 9,243.39/x
  3. Step 3: Cross multiply
    16,316.58x = 22,516.20 × 9,243.39
  4. Step 4: Simplify right side
    16,316.58x = 208,126,017.92
  5. Step 5: Solve for x
    x = 208,126,017.92/16,316.58
  6. Step 6: Final answer
    x = 12,755.49

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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.