Home / 19,199.33-28,779.24-7,350.31

Finding the Fourth Proportional to 19,199.33, 28,779.24 and 7,350.31

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Solution

The fourth proportional to 19,199.33, 28,779.24 and 7,350.31 is: 11,017.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,199.33 : 28,779.24 = 7,350.31 : x
  2. Step 2: Convert to fraction form
    19,199.33/28,779.24 = 7,350.31/x
  3. Step 3: Cross multiply
    19,199.33x = 28,779.24 × 7,350.31
  4. Step 4: Simplify right side
    19,199.33x = 211,536,335.56
  5. Step 5: Solve for x
    x = 211,536,335.56/19,199.33
  6. Step 6: Final answer
    x = 11,017.90

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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.