Home / 11,159.15-16,739.71-4,139.24

Finding the Fourth Proportional to 11,159.15, 16,739.71 and 4,139.24

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Solution

The fourth proportional to 11,159.15, 16,739.71 and 4,139.24 is: 6,209.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,159.15 : 16,739.71 = 4,139.24 : x
  2. Step 2: Convert to fraction form
    11,159.15/16,739.71 = 4,139.24/x
  3. Step 3: Cross multiply
    11,159.15x = 16,739.71 × 4,139.24
  4. Step 4: Simplify right side
    11,159.15x = 69,289,724.24
  5. Step 5: Solve for x
    x = 69,289,724.24/11,159.15
  6. Step 6: Final answer
    x = 6,209.23

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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.