Home / 11,779.01-17,666.69-7,648.31

Finding the Fourth Proportional to 11,779.01, 17,666.69 and 7,648.31

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Solution

The fourth proportional to 11,779.01, 17,666.69 and 7,648.31 is: 11,471.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,779.01 : 17,666.69 = 7,648.31 : x
  2. Step 2: Convert to fraction form
    11,779.01/17,666.69 = 7,648.31/x
  3. Step 3: Cross multiply
    11,779.01x = 17,666.69 × 7,648.31
  4. Step 4: Simplify right side
    11,779.01x = 135,120,195.22
  5. Step 5: Solve for x
    x = 135,120,195.22/11,779.01
  6. Step 6: Final answer
    x = 11,471.27

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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.