Home / 12,269.89-18,403.01-4,476.88

Finding the Fourth Proportional to 12,269.89, 18,403.01 and 4,476.88

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Solution

The fourth proportional to 12,269.89, 18,403.01 and 4,476.88 is: 6,714.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,269.89 : 18,403.01 = 4,476.88 : x
  2. Step 2: Convert to fraction form
    12,269.89/18,403.01 = 4,476.88/x
  3. Step 3: Cross multiply
    12,269.89x = 18,403.01 × 4,476.88
  4. Step 4: Simplify right side
    12,269.89x = 82,387,953.01
  5. Step 5: Solve for x
    x = 82,387,953.01/12,269.89
  6. Step 6: Final answer
    x = 6,714.65

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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.