Home / 12,333.72-18,460.08-11,152.20

Finding the Fourth Proportional to 12,333.72, 18,460.08 and 11,152.20

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Solution

The fourth proportional to 12,333.72, 18,460.08 and 11,152.20 is: 16,691.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,333.72 : 18,460.08 = 11,152.20 : x
  2. Step 2: Convert to fraction form
    12,333.72/18,460.08 = 11,152.20/x
  3. Step 3: Cross multiply
    12,333.72x = 18,460.08 × 11,152.20
  4. Step 4: Simplify right side
    12,333.72x = 205,870,504.18
  5. Step 5: Solve for x
    x = 205,870,504.18/12,333.72
  6. Step 6: Final answer
    x = 16,691.68

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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.