Home / 13,359.22-20,039.98-3,498.50

Finding the Fourth Proportional to 13,359.22, 20,039.98 and 3,498.50

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Solution

The fourth proportional to 13,359.22, 20,039.98 and 3,498.50 is: 5,248.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,359.22 : 20,039.98 = 3,498.50 : x
  2. Step 2: Convert to fraction form
    13,359.22/20,039.98 = 3,498.50/x
  3. Step 3: Cross multiply
    13,359.22x = 20,039.98 × 3,498.50
  4. Step 4: Simplify right side
    13,359.22x = 70,109,870.03
  5. Step 5: Solve for x
    x = 70,109,870.03/13,359.22
  6. Step 6: Final answer
    x = 5,248.05

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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.