Home / 13,169.17-19,753.44-4,284.49

Finding the Fourth Proportional to 13,169.17, 19,753.44 and 4,284.49

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Solution

The fourth proportional to 13,169.17, 19,753.44 and 4,284.49 is: 6,426.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,169.17 : 19,753.44 = 4,284.49 : x
  2. Step 2: Convert to fraction form
    13,169.17/19,753.44 = 4,284.49/x
  3. Step 3: Cross multiply
    13,169.17x = 19,753.44 × 4,284.49
  4. Step 4: Simplify right side
    13,169.17x = 84,633,416.15
  5. Step 5: Solve for x
    x = 84,633,416.15/13,169.17
  6. Step 6: Final answer
    x = 6,426.63

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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.