Home / 14,131.12-21,201.87-5,808.91

Finding the Fourth Proportional to 14,131.12, 21,201.87 and 5,808.91

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Solution

The fourth proportional to 14,131.12, 21,201.87 and 5,808.91 is: 8,715.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,131.12 : 21,201.87 = 5,808.91 : x
  2. Step 2: Convert to fraction form
    14,131.12/21,201.87 = 5,808.91/x
  3. Step 3: Cross multiply
    14,131.12x = 21,201.87 × 5,808.91
  4. Step 4: Simplify right side
    14,131.12x = 123,159,648.65
  5. Step 5: Solve for x
    x = 123,159,648.65/14,131.12
  6. Step 6: Final answer
    x = 8,715.49

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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.