Home / 19,779.26-29,669.45-6,452.19

Finding the Fourth Proportional to 19,779.26, 29,669.45 and 6,452.19

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Solution

The fourth proportional to 19,779.26, 29,669.45 and 6,452.19 is: 9,678.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,779.26 : 29,669.45 = 6,452.19 : x
  2. Step 2: Convert to fraction form
    19,779.26/29,669.45 = 6,452.19/x
  3. Step 3: Cross multiply
    19,779.26x = 29,669.45 × 6,452.19
  4. Step 4: Simplify right side
    19,779.26x = 191,432,896.33
  5. Step 5: Solve for x
    x = 191,432,896.33/19,779.26
  6. Step 6: Final answer
    x = 9,678.47

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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.