Home / 14,171.90-19,561.57-9,136.12

Finding the Fourth Proportional to 14,171.90, 19,561.57 and 9,136.12

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Solution

The fourth proportional to 14,171.90, 19,561.57 and 9,136.12 is: 12,610.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,171.90 : 19,561.57 = 9,136.12 : x
  2. Step 2: Convert to fraction form
    14,171.90/19,561.57 = 9,136.12/x
  3. Step 3: Cross multiply
    14,171.90x = 19,561.57 × 9,136.12
  4. Step 4: Simplify right side
    14,171.90x = 178,716,850.91
  5. Step 5: Solve for x
    x = 178,716,850.91/14,171.90
  6. Step 6: Final answer
    x = 12,610.65

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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.