Home / 16,779.47-23,155.94-9,226.13

Finding the Fourth Proportional to 16,779.47, 23,155.94 and 9,226.13

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Solution

The fourth proportional to 16,779.47, 23,155.94 and 9,226.13 is: 12,732.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,779.47 : 23,155.94 = 9,226.13 : x
  2. Step 2: Convert to fraction form
    16,779.47/23,155.94 = 9,226.13/x
  3. Step 3: Cross multiply
    16,779.47x = 23,155.94 × 9,226.13
  4. Step 4: Simplify right side
    16,779.47x = 213,639,666.58
  5. Step 5: Solve for x
    x = 213,639,666.58/16,779.47
  6. Step 6: Final answer
    x = 12,732.21

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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.