Home / 18,574.48-25,614.12-11,126.80

Finding the Fourth Proportional to 18,574.48, 25,614.12 and 11,126.80

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Solution

The fourth proportional to 18,574.48, 25,614.12 and 11,126.80 is: 15,343.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,574.48 : 25,614.12 = 11,126.80 : x
  2. Step 2: Convert to fraction form
    18,574.48/25,614.12 = 11,126.80/x
  3. Step 3: Cross multiply
    18,574.48x = 25,614.12 × 11,126.80
  4. Step 4: Simplify right side
    18,574.48x = 285,003,190.42
  5. Step 5: Solve for x
    x = 285,003,190.42/18,574.48
  6. Step 6: Final answer
    x = 15,343.80

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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.