Home / 10,346.60-15,520.19-3,777.68

Finding the Fourth Proportional to 10,346.60, 15,520.19 and 3,777.68

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Solution

The fourth proportional to 10,346.60, 15,520.19 and 3,777.68 is: 5,666.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,346.60 : 15,520.19 = 3,777.68 : x
  2. Step 2: Convert to fraction form
    10,346.60/15,520.19 = 3,777.68/x
  3. Step 3: Cross multiply
    10,346.60x = 15,520.19 × 3,777.68
  4. Step 4: Simplify right side
    10,346.60x = 58,630,292.47
  5. Step 5: Solve for x
    x = 58,630,292.47/10,346.60
  6. Step 6: Final answer
    x = 5,666.62

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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.