Home / 13,512.45-20,263.52-6,490.51

Finding the Fourth Proportional to 13,512.45, 20,263.52 and 6,490.51

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Solution

The fourth proportional to 13,512.45, 20,263.52 and 6,490.51 is: 9,733.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,512.45 : 20,263.52 = 6,490.51 : x
  2. Step 2: Convert to fraction form
    13,512.45/20,263.52 = 6,490.51/x
  3. Step 3: Cross multiply
    13,512.45x = 20,263.52 × 6,490.51
  4. Step 4: Simplify right side
    13,512.45x = 131,520,546.74
  5. Step 5: Solve for x
    x = 131,520,546.74/13,512.45
  6. Step 6: Final answer
    x = 9,733.29

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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.