Home / 13,591.45-20,360.61-9,364.72

Finding the Fourth Proportional to 13,591.45, 20,360.61 and 9,364.72

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Solution

The fourth proportional to 13,591.45, 20,360.61 and 9,364.72 is: 14,028.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,591.45 : 20,360.61 = 9,364.72 : x
  2. Step 2: Convert to fraction form
    13,591.45/20,360.61 = 9,364.72/x
  3. Step 3: Cross multiply
    13,591.45x = 20,360.61 × 9,364.72
  4. Step 4: Simplify right side
    13,591.45x = 190,671,411.68
  5. Step 5: Solve for x
    x = 190,671,411.68/13,591.45
  6. Step 6: Final answer
    x = 14,028.78

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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.