Home / 15,128.57-22,693.01-5,268.09

Finding the Fourth Proportional to 15,128.57, 22,693.01 and 5,268.09

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Solution

The fourth proportional to 15,128.57, 22,693.01 and 5,268.09 is: 7,902.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,128.57 : 22,693.01 = 5,268.09 : x
  2. Step 2: Convert to fraction form
    15,128.57/22,693.01 = 5,268.09/x
  3. Step 3: Cross multiply
    15,128.57x = 22,693.01 × 5,268.09
  4. Step 4: Simplify right side
    15,128.57x = 119,548,779.79
  5. Step 5: Solve for x
    x = 119,548,779.79/15,128.57
  6. Step 6: Final answer
    x = 7,902.19

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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.