Home / 11,739.47-16,196.90-7,261.65

Finding the Fourth Proportional to 11,739.47, 16,196.90 and 7,261.65

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Solution

The fourth proportional to 11,739.47, 16,196.90 and 7,261.65 is: 10,018.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,739.47 : 16,196.90 = 7,261.65 : x
  2. Step 2: Convert to fraction form
    11,739.47/16,196.90 = 7,261.65/x
  3. Step 3: Cross multiply
    11,739.47x = 16,196.90 × 7,261.65
  4. Step 4: Simplify right side
    11,739.47x = 117,616,182.58
  5. Step 5: Solve for x
    x = 117,616,182.58/11,739.47
  6. Step 6: Final answer
    x = 10,018.87

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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.