Home / 13,998.04-19,343.04-10,214.80

Finding the Fourth Proportional to 13,998.04, 19,343.04 and 10,214.80

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Solution

The fourth proportional to 13,998.04, 19,343.04 and 10,214.80 is: 14,115.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,998.04 : 19,343.04 = 10,214.80 : x
  2. Step 2: Convert to fraction form
    13,998.04/19,343.04 = 10,214.80/x
  3. Step 3: Cross multiply
    13,998.04x = 19,343.04 × 10,214.80
  4. Step 4: Simplify right side
    13,998.04x = 197,585,284.99
  5. Step 5: Solve for x
    x = 197,585,284.99/13,998.04
  6. Step 6: Final answer
    x = 14,115.21

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Half scale
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Similar ratio
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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.