Home / 16,779.89-23,155.76-9,226.22

Finding the Fourth Proportional to 16,779.89, 23,155.76 and 9,226.22

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Solution

The fourth proportional to 16,779.89, 23,155.76 and 9,226.22 is: 12,731.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,779.89 : 23,155.76 = 9,226.22 : x
  2. Step 2: Convert to fraction form
    16,779.89/23,155.76 = 9,226.22/x
  3. Step 3: Cross multiply
    16,779.89x = 23,155.76 × 9,226.22
  4. Step 4: Simplify right side
    16,779.89x = 213,639,974.12
  5. Step 5: Solve for x
    x = 213,639,974.12/16,779.89
  6. Step 6: Final answer
    x = 12,731.90

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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.