Home / 18,561.08-25,614.32-11,011.16

Finding the Fourth Proportional to 18,561.08, 25,614.32 and 11,011.16

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Solution

The fourth proportional to 18,561.08, 25,614.32 and 11,011.16 is: 15,195.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,561.08 : 25,614.32 = 11,011.16 : x
  2. Step 2: Convert to fraction form
    18,561.08/25,614.32 = 11,011.16/x
  3. Step 3: Cross multiply
    18,561.08x = 25,614.32 × 11,011.16
  4. Step 4: Simplify right side
    18,561.08x = 282,043,375.81
  5. Step 5: Solve for x
    x = 282,043,375.81/18,561.08
  6. Step 6: Final answer
    x = 15,195.42

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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.