Home / 15,100.23-22,640.01-7,690.35

Finding the Fourth Proportional to 15,100.23, 22,640.01 and 7,690.35

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Solution

The fourth proportional to 15,100.23, 22,640.01 and 7,690.35 is: 11,530.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,100.23 : 22,640.01 = 7,690.35 : x
  2. Step 2: Convert to fraction form
    15,100.23/22,640.01 = 7,690.35/x
  3. Step 3: Cross multiply
    15,100.23x = 22,640.01 × 7,690.35
  4. Step 4: Simplify right side
    15,100.23x = 174,109,600.90
  5. Step 5: Solve for x
    x = 174,109,600.90/15,100.23
  6. Step 6: Final answer
    x = 11,530.26

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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.