Home / 15,874.16-23,809.32-4,188.26

Finding the Fourth Proportional to 15,874.16, 23,809.32 and 4,188.26

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Solution

The fourth proportional to 15,874.16, 23,809.32 and 4,188.26 is: 6,281.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,874.16 : 23,809.32 = 4,188.26 : x
  2. Step 2: Convert to fraction form
    15,874.16/23,809.32 = 4,188.26/x
  3. Step 3: Cross multiply
    15,874.16x = 23,809.32 × 4,188.26
  4. Step 4: Simplify right side
    15,874.16x = 99,719,622.58
  5. Step 5: Solve for x
    x = 99,719,622.58/15,874.16
  6. Step 6: Final answer
    x = 6,281.88

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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.