Home / 13,206.20-19,802.10-4,436.60

Finding the Fourth Proportional to 13,206.20, 19,802.10 and 4,436.60

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Solution

The fourth proportional to 13,206.20, 19,802.10 and 4,436.60 is: 6,652.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,206.20 : 19,802.10 = 4,436.60 : x
  2. Step 2: Convert to fraction form
    13,206.20/19,802.10 = 4,436.60/x
  3. Step 3: Cross multiply
    13,206.20x = 19,802.10 × 4,436.60
  4. Step 4: Simplify right side
    13,206.20x = 87,853,996.86
  5. Step 5: Solve for x
    x = 87,853,996.86/13,206.20
  6. Step 6: Final answer
    x = 6,652.48

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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.