Home / 19,195.64-28,779.83-7,339.42

Finding the Fourth Proportional to 19,195.64, 28,779.83 and 7,339.42

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Solution

The fourth proportional to 19,195.64, 28,779.83 and 7,339.42 is: 11,003.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,195.64 : 28,779.83 = 7,339.42 : x
  2. Step 2: Convert to fraction form
    19,195.64/28,779.83 = 7,339.42/x
  3. Step 3: Cross multiply
    19,195.64x = 28,779.83 × 7,339.42
  4. Step 4: Simplify right side
    19,195.64x = 211,227,259.90
  5. Step 5: Solve for x
    x = 211,227,259.90/19,195.64
  6. Step 6: Final answer
    x = 11,003.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.