Home / 12,853.07-19,277.66-4,420.86

Finding the Fourth Proportional to 12,853.07, 19,277.66 and 4,420.86

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Solution

The fourth proportional to 12,853.07, 19,277.66 and 4,420.86 is: 6,630.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,853.07 : 19,277.66 = 4,420.86 : x
  2. Step 2: Convert to fraction form
    12,853.07/19,277.66 = 4,420.86/x
  3. Step 3: Cross multiply
    12,853.07x = 19,277.66 × 4,420.86
  4. Step 4: Simplify right side
    12,853.07x = 85,223,748.89
  5. Step 5: Solve for x
    x = 85,223,748.89/12,853.07
  6. Step 6: Final answer
    x = 6,630.61

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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.