Home / 9,439.43-13,025.64-5,558.22

Finding the Fourth Proportional to 9,439.43, 13,025.64 and 5,558.22

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Solution

The fourth proportional to 9,439.43, 13,025.64 and 5,558.22 is: 7,669.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,439.43 : 13,025.64 = 5,558.22 : x
  2. Step 2: Convert to fraction form
    9,439.43/13,025.64 = 5,558.22/x
  3. Step 3: Cross multiply
    9,439.43x = 13,025.64 × 5,558.22
  4. Step 4: Simplify right side
    9,439.43x = 72,399,372.76
  5. Step 5: Solve for x
    x = 72,399,372.76/9,439.43
  6. Step 6: Final answer
    x = 7,669.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.