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Finding the Fourth Proportional to 19,335, 26,682.30 and 10,503

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Solution

The fourth proportional to 19,335, 26,682.30 and 10,503 is: 14,494.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,335 : 26,682.30 = 10,503 : x
  2. Step 2: Convert to fraction form
    19,335/26,682.30 = 10,503/x
  3. Step 3: Cross multiply
    19,335x = 26,682.30 × 10,503
  4. Step 4: Simplify right side
    19,335x = 280,244,196.90
  5. Step 5: Solve for x
    x = 280,244,196.90/19,335
  6. Step 6: Final answer
    x = 14,494.14

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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.