Home / 15,224.64-21,000.96-11,256

Finding the Fourth Proportional to 15,224.64, 21,000.96 and 11,256

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Solution

The fourth proportional to 15,224.64, 21,000.96 and 11,256 is: 15,526.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,224.64 : 21,000.96 = 11,256 : x
  2. Step 2: Convert to fraction form
    15,224.64/21,000.96 = 11,256/x
  3. Step 3: Cross multiply
    15,224.64x = 21,000.96 × 11,256
  4. Step 4: Simplify right side
    15,224.64x = 236,386,805.76
  5. Step 5: Solve for x
    x = 236,386,805.76/15,224.64
  6. Step 6: Final answer
    x = 15,526.59

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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.