Home / 18,206.99-25,133.41-12,242.12

Finding the Fourth Proportional to 18,206.99, 25,133.41 and 12,242.12

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Solution

The fourth proportional to 18,206.99, 25,133.41 and 12,242.12 is: 16,899.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,206.99 : 25,133.41 = 12,242.12 : x
  2. Step 2: Convert to fraction form
    18,206.99/25,133.41 = 12,242.12/x
  3. Step 3: Cross multiply
    18,206.99x = 25,133.41 × 12,242.12
  4. Step 4: Simplify right side
    18,206.99x = 307,686,204.30
  5. Step 5: Solve for x
    x = 307,686,204.30/18,206.99
  6. Step 6: Final answer
    x = 16,899.34

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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.