Home / 19,869.53-27,412.20-11,367.14

Finding the Fourth Proportional to 19,869.53, 27,412.20 and 11,367.14

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Solution

The fourth proportional to 19,869.53, 27,412.20 and 11,367.14 is: 15,682.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,869.53 : 27,412.20 = 11,367.14 : x
  2. Step 2: Convert to fraction form
    19,869.53/27,412.20 = 11,367.14/x
  3. Step 3: Cross multiply
    19,869.53x = 27,412.20 × 11,367.14
  4. Step 4: Simplify right side
    19,869.53x = 311,598,178.05
  5. Step 5: Solve for x
    x = 311,598,178.05/19,869.53
  6. Step 6: Final answer
    x = 15,682.22

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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.