Home / 10,345.44-15,518.19-3,771.62

Finding the Fourth Proportional to 10,345.44, 15,518.19 and 3,771.62

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Solution

The fourth proportional to 10,345.44, 15,518.19 and 3,771.62 is: 5,657.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,345.44 : 15,518.19 = 3,771.62 : x
  2. Step 2: Convert to fraction form
    10,345.44/15,518.19 = 3,771.62/x
  3. Step 3: Cross multiply
    10,345.44x = 15,518.19 × 3,771.62
  4. Step 4: Simplify right side
    10,345.44x = 58,528,638.18
  5. Step 5: Solve for x
    x = 58,528,638.18/10,345.44
  6. Step 6: Final answer
    x = 5,657.43

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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.