Home / 12,446.12-18,670.94-4,654.19

Finding the Fourth Proportional to 12,446.12, 18,670.94 and 4,654.19

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Solution

The fourth proportional to 12,446.12, 18,670.94 and 4,654.19 is: 6,981.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,446.12 : 18,670.94 = 4,654.19 : x
  2. Step 2: Convert to fraction form
    12,446.12/18,670.94 = 4,654.19/x
  3. Step 3: Cross multiply
    12,446.12x = 18,670.94 × 4,654.19
  4. Step 4: Simplify right side
    12,446.12x = 86,898,102.24
  5. Step 5: Solve for x
    x = 86,898,102.24/12,446.12
  6. Step 6: Final answer
    x = 6,981.94

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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.