Home / 8,669.34-13,004.19-3,123.12

Finding the Fourth Proportional to 8,669.34, 13,004.19 and 3,123.12

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Solution

The fourth proportional to 8,669.34, 13,004.19 and 3,123.12 is: 4,684.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,669.34 : 13,004.19 = 3,123.12 : x
  2. Step 2: Convert to fraction form
    8,669.34/13,004.19 = 3,123.12/x
  3. Step 3: Cross multiply
    8,669.34x = 13,004.19 × 3,123.12
  4. Step 4: Simplify right side
    8,669.34x = 40,613,645.87
  5. Step 5: Solve for x
    x = 40,613,645.87/8,669.34
  6. Step 6: Final answer
    x = 4,684.74

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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.