Home / 21,327.25-29,430.27-11,767.25

Finding the Fourth Proportional to 21,327.25, 29,430.27 and 11,767.25

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Solution

The fourth proportional to 21,327.25, 29,430.27 and 11,767.25 is: 16,238.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,327.25 : 29,430.27 = 11,767.25 : x
  2. Step 2: Convert to fraction form
    21,327.25/29,430.27 = 11,767.25/x
  3. Step 3: Cross multiply
    21,327.25x = 29,430.27 × 11,767.25
  4. Step 4: Simplify right side
    21,327.25x = 346,313,344.66
  5. Step 5: Solve for x
    x = 346,313,344.66/21,327.25
  6. Step 6: Final answer
    x = 16,238.07

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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.