Home / 21,241.50-29,313.27-11,811.93

Finding the Fourth Proportional to 21,241.50, 29,313.27 and 11,811.93

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Solution

The fourth proportional to 21,241.50, 29,313.27 and 11,811.93 is: 16,300.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,241.50 : 29,313.27 = 11,811.93 : x
  2. Step 2: Convert to fraction form
    21,241.50/29,313.27 = 11,811.93/x
  3. Step 3: Cross multiply
    21,241.50x = 29,313.27 × 11,811.93
  4. Step 4: Simplify right side
    21,241.50x = 346,246,293.31
  5. Step 5: Solve for x
    x = 346,246,293.31/21,241.50
  6. Step 6: Final answer
    x = 16,300.46

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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.