Home / 14,165.24-21,218.90-6,747.24

Finding the Fourth Proportional to 14,165.24, 21,218.90 and 6,747.24

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Solution

The fourth proportional to 14,165.24, 21,218.90 and 6,747.24 is: 10,107.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,165.24 : 21,218.90 = 6,747.24 : x
  2. Step 2: Convert to fraction form
    14,165.24/21,218.90 = 6,747.24/x
  3. Step 3: Cross multiply
    14,165.24x = 21,218.90 × 6,747.24
  4. Step 4: Simplify right side
    14,165.24x = 143,169,010.84
  5. Step 5: Solve for x
    x = 143,169,010.84/14,165.24
  6. Step 6: Final answer
    x = 10,107.07

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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.