Home / 12,604.12-18,864.96-9,271.48

Finding the Fourth Proportional to 12,604.12, 18,864.96 and 9,271.48

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Solution

The fourth proportional to 12,604.12, 18,864.96 and 9,271.48 is: 13,876.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,604.12 : 18,864.96 = 9,271.48 : x
  2. Step 2: Convert to fraction form
    12,604.12/18,864.96 = 9,271.48/x
  3. Step 3: Cross multiply
    12,604.12x = 18,864.96 × 9,271.48
  4. Step 4: Simplify right side
    12,604.12x = 174,906,099.34
  5. Step 5: Solve for x
    x = 174,906,099.34/12,604.12
  6. Step 6: Final answer
    x = 13,876.90

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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.