Home / 15,512.70-21,410.62-9,223.86

Finding the Fourth Proportional to 15,512.70, 21,410.62 and 9,223.86

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Solution

The fourth proportional to 15,512.70, 21,410.62 and 9,223.86 is: 12,730.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,512.70 : 21,410.62 = 9,223.86 : x
  2. Step 2: Convert to fraction form
    15,512.70/21,410.62 = 9,223.86/x
  3. Step 3: Cross multiply
    15,512.70x = 21,410.62 × 9,223.86
  4. Step 4: Simplify right side
    15,512.70x = 197,488,561.39
  5. Step 5: Solve for x
    x = 197,488,561.39/15,512.70
  6. Step 6: Final answer
    x = 12,730.77

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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.