Home / 13,512.56-20,263.68-6,490.58

Finding the Fourth Proportional to 13,512.56, 20,263.68 and 6,490.58

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Solution

The fourth proportional to 13,512.56, 20,263.68 and 6,490.58 is: 9,733.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,512.56 : 20,263.68 = 6,490.58 : x
  2. Step 2: Convert to fraction form
    13,512.56/20,263.68 = 6,490.58/x
  3. Step 3: Cross multiply
    13,512.56x = 20,263.68 × 6,490.58
  4. Step 4: Simplify right side
    13,512.56x = 131,522,934.82
  5. Step 5: Solve for x
    x = 131,522,934.82/13,512.56
  6. Step 6: Final answer
    x = 9,733.38

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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.