Home / 17,888.72-26,829.24-11,222

Finding the Fourth Proportional to 17,888.72, 26,829.24 and 11,222

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Solution

The fourth proportional to 17,888.72, 26,829.24 and 11,222 is: 16,830.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,888.72 : 26,829.24 = 11,222 : x
  2. Step 2: Convert to fraction form
    17,888.72/26,829.24 = 11,222/x
  3. Step 3: Cross multiply
    17,888.72x = 26,829.24 × 11,222
  4. Step 4: Simplify right side
    17,888.72x = 301,077,731.28
  5. Step 5: Solve for x
    x = 301,077,731.28/17,888.72
  6. Step 6: Final answer
    x = 16,830.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.