Home / 21,241.48-29,313.38-11,810.12

Finding the Fourth Proportional to 21,241.48, 29,313.38 and 11,810.12

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Solution

The fourth proportional to 21,241.48, 29,313.38 and 11,810.12 is: 16,298.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,241.48 : 29,313.38 = 11,810.12 : x
  2. Step 2: Convert to fraction form
    21,241.48/29,313.38 = 11,810.12/x
  3. Step 3: Cross multiply
    21,241.48x = 29,313.38 × 11,810.12
  4. Step 4: Simplify right side
    21,241.48x = 346,194,535.41
  5. Step 5: Solve for x
    x = 346,194,535.41/21,241.48
  6. Step 6: Final answer
    x = 16,298.04

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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.