Home / 14,853.07-20,497.17-8,138.89

Finding the Fourth Proportional to 14,853.07, 20,497.17 and 8,138.89

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Solution

The fourth proportional to 14,853.07, 20,497.17 and 8,138.89 is: 11,231.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,853.07 : 20,497.17 = 8,138.89 : x
  2. Step 2: Convert to fraction form
    14,853.07/20,497.17 = 8,138.89/x
  3. Step 3: Cross multiply
    14,853.07x = 20,497.17 × 8,138.89
  4. Step 4: Simplify right side
    14,853.07x = 166,824,211.94
  5. Step 5: Solve for x
    x = 166,824,211.94/14,853.07
  6. Step 6: Final answer
    x = 11,231.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.