Home / 13,743.10-20,618.70-4,384.45

Finding the Fourth Proportional to 13,743.10, 20,618.70 and 4,384.45

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Solution

The fourth proportional to 13,743.10, 20,618.70 and 4,384.45 is: 6,577.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,743.10 : 20,618.70 = 4,384.45 : x
  2. Step 2: Convert to fraction form
    13,743.10/20,618.70 = 4,384.45/x
  3. Step 3: Cross multiply
    13,743.10x = 20,618.70 × 4,384.45
  4. Step 4: Simplify right side
    13,743.10x = 90,401,659.22
  5. Step 5: Solve for x
    x = 90,401,659.22/13,743.10
  6. Step 6: Final answer
    x = 6,577.97

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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.