Home / 14,814.39-20,441.57-8,440.18

Finding the Fourth Proportional to 14,814.39, 20,441.57 and 8,440.18

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Solution

The fourth proportional to 14,814.39, 20,441.57 and 8,440.18 is: 11,646.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,814.39 : 20,441.57 = 8,440.18 : x
  2. Step 2: Convert to fraction form
    14,814.39/20,441.57 = 8,440.18/x
  3. Step 3: Cross multiply
    14,814.39x = 20,441.57 × 8,440.18
  4. Step 4: Simplify right side
    14,814.39x = 172,530,530.28
  5. Step 5: Solve for x
    x = 172,530,530.28/14,814.39
  6. Step 6: Final answer
    x = 11,646.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.