Home / 10,346.80-15,518.66-3,771.44

Finding the Fourth Proportional to 10,346.80, 15,518.66 and 3,771.44

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Solution

The fourth proportional to 10,346.80, 15,518.66 and 3,771.44 is: 5,656.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,346.80 : 15,518.66 = 3,771.44 : x
  2. Step 2: Convert to fraction form
    10,346.80/15,518.66 = 3,771.44/x
  3. Step 3: Cross multiply
    10,346.80x = 15,518.66 × 3,771.44
  4. Step 4: Simplify right side
    10,346.80x = 58,527,695.07
  5. Step 5: Solve for x
    x = 58,527,695.07/10,346.80
  6. Step 6: Final answer
    x = 5,656.60

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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.