Home / 19,779.35-29,669.32-6,452.28

Finding the Fourth Proportional to 19,779.35, 29,669.32 and 6,452.28

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Solution

The fourth proportional to 19,779.35, 29,669.32 and 6,452.28 is: 9,678.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,779.35 : 29,669.32 = 6,452.28 : x
  2. Step 2: Convert to fraction form
    19,779.35/29,669.32 = 6,452.28/x
  3. Step 3: Cross multiply
    19,779.35x = 29,669.32 × 6,452.28
  4. Step 4: Simplify right side
    19,779.35x = 191,434,760.05
  5. Step 5: Solve for x
    x = 191,434,760.05/19,779.35
  6. Step 6: Final answer
    x = 9,678.52

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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.