Home / 14,261.32-21,398.46-7,680.52

Finding the Fourth Proportional to 14,261.32, 21,398.46 and 7,680.52

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Solution

The fourth proportional to 14,261.32, 21,398.46 and 7,680.52 is: 11,524.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,261.32 : 21,398.46 = 7,680.52 : x
  2. Step 2: Convert to fraction form
    14,261.32/21,398.46 = 7,680.52/x
  3. Step 3: Cross multiply
    14,261.32x = 21,398.46 × 7,680.52
  4. Step 4: Simplify right side
    14,261.32x = 164,351,300.00
  5. Step 5: Solve for x
    x = 164,351,300.00/14,261.32
  6. Step 6: Final answer
    x = 11,524.27

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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.