Home / 21,256.59-29,334.24-11,825.76

Finding the Fourth Proportional to 21,256.59, 29,334.24 and 11,825.76

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Solution

The fourth proportional to 21,256.59, 29,334.24 and 11,825.76 is: 16,319.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,256.59 : 29,334.24 = 11,825.76 : x
  2. Step 2: Convert to fraction form
    21,256.59/29,334.24 = 11,825.76/x
  3. Step 3: Cross multiply
    21,256.59x = 29,334.24 × 11,825.76
  4. Step 4: Simplify right side
    21,256.59x = 346,899,682.02
  5. Step 5: Solve for x
    x = 346,899,682.02/21,256.59
  6. Step 6: Final answer
    x = 16,319.63

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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.