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Finding the Fourth Proportional to 19,052, 26,291.52 and 11,098.88

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Solution

The fourth proportional to 19,052, 26,291.52 and 11,098.88 is: 15,316.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,052 : 26,291.52 = 11,098.88 : x
  2. Step 2: Convert to fraction form
    19,052/26,291.52 = 11,098.88/x
  3. Step 3: Cross multiply
    19,052x = 26,291.52 × 11,098.88
  4. Step 4: Simplify right side
    19,052x = 291,806,425.50
  5. Step 5: Solve for x
    x = 291,806,425.50/19,052
  6. Step 6: Final answer
    x = 15,316.31

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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.