Home / 13,448.57-20,176.95-6,879.36

Finding the Fourth Proportional to 13,448.57, 20,176.95 and 6,879.36

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Solution

The fourth proportional to 13,448.57, 20,176.95 and 6,879.36 is: 10,321.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,448.57 : 20,176.95 = 6,879.36 : x
  2. Step 2: Convert to fraction form
    13,448.57/20,176.95 = 6,879.36/x
  3. Step 3: Cross multiply
    13,448.57x = 20,176.95 × 6,879.36
  4. Step 4: Simplify right side
    13,448.57x = 138,804,502.75
  5. Step 5: Solve for x
    x = 138,804,502.75/13,448.57
  6. Step 6: Final answer
    x = 10,321.14

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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.