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Finding the Fourth Proportional to 14,505.94, 21,758.91 and 10,131.94

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Solution

The fourth proportional to 14,505.94, 21,758.91 and 10,131.94 is: 15,197.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,505.94 : 21,758.91 = 10,131.94 : x
  2. Step 2: Convert to fraction form
    14,505.94/21,758.91 = 10,131.94/x
  3. Step 3: Cross multiply
    14,505.94x = 21,758.91 × 10,131.94
  4. Step 4: Simplify right side
    14,505.94x = 220,459,970.59
  5. Step 5: Solve for x
    x = 220,459,970.59/14,505.94
  6. Step 6: Final answer
    x = 15,197.91

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Similar ratio
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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.