Home / 21,256.28-29,334.36-11,697.26

Finding the Fourth Proportional to 21,256.28, 29,334.36 and 11,697.26

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Solution

The fourth proportional to 21,256.28, 29,334.36 and 11,697.26 is: 16,142.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,256.28 : 29,334.36 = 11,697.26 : x
  2. Step 2: Convert to fraction form
    21,256.28/29,334.36 = 11,697.26/x
  3. Step 3: Cross multiply
    21,256.28x = 29,334.36 × 11,697.26
  4. Step 4: Simplify right side
    21,256.28x = 343,131,489.18
  5. Step 5: Solve for x
    x = 343,131,489.18/21,256.28
  6. Step 6: Final answer
    x = 16,142.60

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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.