Home / 12,590.29-18,885.05-3,229.93

Finding the Fourth Proportional to 12,590.29, 18,885.05 and 3,229.93

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Solution

The fourth proportional to 12,590.29, 18,885.05 and 3,229.93 is: 4,844.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,590.29 : 18,885.05 = 3,229.93 : x
  2. Step 2: Convert to fraction form
    12,590.29/18,885.05 = 3,229.93/x
  3. Step 3: Cross multiply
    12,590.29x = 18,885.05 × 3,229.93
  4. Step 4: Simplify right side
    12,590.29x = 60,997,302.89
  5. Step 5: Solve for x
    x = 60,997,302.89/12,590.29
  6. Step 6: Final answer
    x = 4,844.79

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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.