Home / 18,484.27-27,679.66-12,225.30

Finding the Fourth Proportional to 18,484.27, 27,679.66 and 12,225.30

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Solution

The fourth proportional to 18,484.27, 27,679.66 and 12,225.30 is: 18,307.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,484.27 : 27,679.66 = 12,225.30 : x
  2. Step 2: Convert to fraction form
    18,484.27/27,679.66 = 12,225.30/x
  3. Step 3: Cross multiply
    18,484.27x = 27,679.66 × 12,225.30
  4. Step 4: Simplify right side
    18,484.27x = 338,392,013.04
  5. Step 5: Solve for x
    x = 338,392,013.04/18,484.27
  6. Step 6: Final answer
    x = 18,307.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.