Home / 15,077.16-22,585.48-7,187.31

Finding the Fourth Proportional to 15,077.16, 22,585.48 and 7,187.31

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Solution

The fourth proportional to 15,077.16, 22,585.48 and 7,187.31 is: 10,766.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,077.16 : 22,585.48 = 7,187.31 : x
  2. Step 2: Convert to fraction form
    15,077.16/22,585.48 = 7,187.31/x
  3. Step 3: Cross multiply
    15,077.16x = 22,585.48 × 7,187.31
  4. Step 4: Simplify right side
    15,077.16x = 162,328,846.26
  5. Step 5: Solve for x
    x = 162,328,846.26/15,077.16
  6. Step 6: Final answer
    x = 10,766.54

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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.