Home / 9,455.28-14,183.64-3,215.28

Finding the Fourth Proportional to 9,455.28, 14,183.64 and 3,215.28

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Solution

The fourth proportional to 9,455.28, 14,183.64 and 3,215.28 is: 4,823.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,455.28 : 14,183.64 = 3,215.28 : x
  2. Step 2: Convert to fraction form
    9,455.28/14,183.64 = 3,215.28/x
  3. Step 3: Cross multiply
    9,455.28x = 14,183.64 × 3,215.28
  4. Step 4: Simplify right side
    9,455.28x = 45,604,374.02
  5. Step 5: Solve for x
    x = 45,604,374.02/9,455.28
  6. Step 6: Final answer
    x = 4,823.16

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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.