Home / 14,117.64-21,183.42-9,984.21

Finding the Fourth Proportional to 14,117.64, 21,183.42 and 9,984.21

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Solution

The fourth proportional to 14,117.64, 21,183.42 and 9,984.21 is: 14,981.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,117.64 : 21,183.42 = 9,984.21 : x
  2. Step 2: Convert to fraction form
    14,117.64/21,183.42 = 9,984.21/x
  3. Step 3: Cross multiply
    14,117.64x = 21,183.42 × 9,984.21
  4. Step 4: Simplify right side
    14,117.64x = 211,499,713.80
  5. Step 5: Solve for x
    x = 211,499,713.80/14,117.64
  6. Step 6: Final answer
    x = 14,981.24

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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.