Home / 13,962.20-20,943.48-3,573.68

Finding the Fourth Proportional to 13,962.20, 20,943.48 and 3,573.68

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Solution

The fourth proportional to 13,962.20, 20,943.48 and 3,573.68 is: 5,360.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,962.20 : 20,943.48 = 3,573.68 : x
  2. Step 2: Convert to fraction form
    13,962.20/20,943.48 = 3,573.68/x
  3. Step 3: Cross multiply
    13,962.20x = 20,943.48 × 3,573.68
  4. Step 4: Simplify right side
    13,962.20x = 74,845,295.61
  5. Step 5: Solve for x
    x = 74,845,295.61/13,962.20
  6. Step 6: Final answer
    x = 5,360.57

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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.