Home / 14,743.70-22,115.55-8,911.70

Finding the Fourth Proportional to 14,743.70, 22,115.55 and 8,911.70

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Solution

The fourth proportional to 14,743.70, 22,115.55 and 8,911.70 is: 13,367.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,743.70 : 22,115.55 = 8,911.70 : x
  2. Step 2: Convert to fraction form
    14,743.70/22,115.55 = 8,911.70/x
  3. Step 3: Cross multiply
    14,743.70x = 22,115.55 × 8,911.70
  4. Step 4: Simplify right side
    14,743.70x = 197,087,146.94
  5. Step 5: Solve for x
    x = 197,087,146.94/14,743.70
  6. Step 6: Final answer
    x = 13,367.55

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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.