Home / 14,109.04-21,169.68-6,713.44

Finding the Fourth Proportional to 14,109.04, 21,169.68 and 6,713.44

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Solution

The fourth proportional to 14,109.04, 21,169.68 and 6,713.44 is: 10,073.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,109.04 : 21,169.68 = 6,713.44 : x
  2. Step 2: Convert to fraction form
    14,109.04/21,169.68 = 6,713.44/x
  3. Step 3: Cross multiply
    14,109.04x = 21,169.68 × 6,713.44
  4. Step 4: Simplify right side
    14,109.04x = 142,121,376.50
  5. Step 5: Solve for x
    x = 142,121,376.50/14,109.04
  6. Step 6: Final answer
    x = 10,073.07

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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.