Home / 14,680.43-21,981.53-10,009.61

Finding the Fourth Proportional to 14,680.43, 21,981.53 and 10,009.61

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Solution

The fourth proportional to 14,680.43, 21,981.53 and 10,009.61 is: 14,987.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,680.43 : 21,981.53 = 10,009.61 : x
  2. Step 2: Convert to fraction form
    14,680.43/21,981.53 = 10,009.61/x
  3. Step 3: Cross multiply
    14,680.43x = 21,981.53 × 10,009.61
  4. Step 4: Simplify right side
    14,680.43x = 220,026,622.48
  5. Step 5: Solve for x
    x = 220,026,622.48/14,680.43
  6. Step 6: Final answer
    x = 14,987.75

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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.