Home / 16,779.55-23,155.19-9,225.83

Finding the Fourth Proportional to 16,779.55, 23,155.19 and 9,225.83

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Solution

The fourth proportional to 16,779.55, 23,155.19 and 9,225.83 is: 12,731.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,779.55 : 23,155.19 = 9,225.83 : x
  2. Step 2: Convert to fraction form
    16,779.55/23,155.19 = 9,225.83/x
  3. Step 3: Cross multiply
    16,779.55x = 23,155.19 × 9,225.83
  4. Step 4: Simplify right side
    16,779.55x = 213,625,782.25
  5. Step 5: Solve for x
    x = 213,625,782.25/16,779.55
  6. Step 6: Final answer
    x = 12,731.32

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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.