Home / 12,613.95-18,923.88-3,848.86

Finding the Fourth Proportional to 12,613.95, 18,923.88 and 3,848.86

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Solution

The fourth proportional to 12,613.95, 18,923.88 and 3,848.86 is: 5,774.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,613.95 : 18,923.88 = 3,848.86 : x
  2. Step 2: Convert to fraction form
    12,613.95/18,923.88 = 3,848.86/x
  3. Step 3: Cross multiply
    12,613.95x = 18,923.88 × 3,848.86
  4. Step 4: Simplify right side
    12,613.95x = 72,835,364.78
  5. Step 5: Solve for x
    x = 72,835,364.78/12,613.95
  6. Step 6: Final answer
    x = 5,774.19

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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.