Home / 13,359.50-20,039.14-5,460.32

Finding the Fourth Proportional to 13,359.50, 20,039.14 and 5,460.32

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Solution

The fourth proportional to 13,359.50, 20,039.14 and 5,460.32 is: 8,190.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,359.50 : 20,039.14 = 5,460.32 : x
  2. Step 2: Convert to fraction form
    13,359.50/20,039.14 = 5,460.32/x
  3. Step 3: Cross multiply
    13,359.50x = 20,039.14 × 5,460.32
  4. Step 4: Simplify right side
    13,359.50x = 109,420,116.92
  5. Step 5: Solve for x
    x = 109,420,116.92/13,359.50
  6. Step 6: Final answer
    x = 8,190.44

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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.