Home / 14,664.94-20,238.69-8,377.18

Finding the Fourth Proportional to 14,664.94, 20,238.69 and 8,377.18

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Solution

The fourth proportional to 14,664.94, 20,238.69 and 8,377.18 is: 11,561.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,664.94 : 20,238.69 = 8,377.18 : x
  2. Step 2: Convert to fraction form
    14,664.94/20,238.69 = 8,377.18/x
  3. Step 3: Cross multiply
    14,664.94x = 20,238.69 × 8,377.18
  4. Step 4: Simplify right side
    14,664.94x = 169,543,149.09
  5. Step 5: Solve for x
    x = 169,543,149.09/14,664.94
  6. Step 6: Final answer
    x = 11,561.12

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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.