Home / 11,856.09-17,784.14-3,090.98

Finding the Fourth Proportional to 11,856.09, 17,784.14 and 3,090.98

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Solution

The fourth proportional to 11,856.09, 17,784.14 and 3,090.98 is: 4,636.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,856.09 : 17,784.14 = 3,090.98 : x
  2. Step 2: Convert to fraction form
    11,856.09/17,784.14 = 3,090.98/x
  3. Step 3: Cross multiply
    11,856.09x = 17,784.14 × 3,090.98
  4. Step 4: Simplify right side
    11,856.09x = 54,970,465.52
  5. Step 5: Solve for x
    x = 54,970,465.52/11,856.09
  6. Step 6: Final answer
    x = 4,636.47

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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.