Home / 16,431.06-22,669.17-9,355.68

Finding the Fourth Proportional to 16,431.06, 22,669.17 and 9,355.68

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Solution

The fourth proportional to 16,431.06, 22,669.17 and 9,355.68 is: 12,907.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,431.06 : 22,669.17 = 9,355.68 : x
  2. Step 2: Convert to fraction form
    16,431.06/22,669.17 = 9,355.68/x
  3. Step 3: Cross multiply
    16,431.06x = 22,669.17 × 9,355.68
  4. Step 4: Simplify right side
    16,431.06x = 212,085,500.39
  5. Step 5: Solve for x
    x = 212,085,500.39/16,431.06
  6. Step 6: Final answer
    x = 12,907.60

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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.