Home / 14,117.89-21,183.79-9,984.46

Finding the Fourth Proportional to 14,117.89, 21,183.79 and 9,984.46

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Solution

The fourth proportional to 14,117.89, 21,183.79 and 9,984.46 is: 14,981.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,117.89 : 21,183.79 = 9,984.46 : x
  2. Step 2: Convert to fraction form
    14,117.89/21,183.79 = 9,984.46/x
  3. Step 3: Cross multiply
    14,117.89x = 21,183.79 × 9,984.46
  4. Step 4: Simplify right side
    14,117.89x = 211,508,703.90
  5. Step 5: Solve for x
    x = 211,508,703.90/14,117.89
  6. Step 6: Final answer
    x = 14,981.61

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1.5x scale

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.