Home / 10,288.86-15,435.21-3,368.22

Finding the Fourth Proportional to 10,288.86, 15,435.21 and 3,368.22

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Solution

The fourth proportional to 10,288.86, 15,435.21 and 3,368.22 is: 5,052.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,288.86 : 15,435.21 = 3,368.22 : x
  2. Step 2: Convert to fraction form
    10,288.86/15,435.21 = 3,368.22/x
  3. Step 3: Cross multiply
    10,288.86x = 15,435.21 × 3,368.22
  4. Step 4: Simplify right side
    10,288.86x = 51,989,183.03
  5. Step 5: Solve for x
    x = 51,989,183.03/10,288.86
  6. Step 6: Final answer
    x = 5,052.96

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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.