Home / 18,189.90-25,103.16-10,232.64

Finding the Fourth Proportional to 18,189.90, 25,103.16 and 10,232.64

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Solution

The fourth proportional to 18,189.90, 25,103.16 and 10,232.64 is: 14,121.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,189.90 : 25,103.16 = 10,232.64 : x
  2. Step 2: Convert to fraction form
    18,189.90/25,103.16 = 10,232.64/x
  3. Step 3: Cross multiply
    18,189.90x = 25,103.16 × 10,232.64
  4. Step 4: Simplify right side
    18,189.90x = 256,871,599.14
  5. Step 5: Solve for x
    x = 256,871,599.14/18,189.90
  6. Step 6: Final answer
    x = 14,121.66

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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.