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Finding the Fourth Proportional to 18,838.64, 25,998 and 10,341.02

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Solution

The fourth proportional to 18,838.64, 25,998 and 10,341.02 is: 14,270.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,838.64 : 25,998 = 10,341.02 : x
  2. Step 2: Convert to fraction form
    18,838.64/25,998 = 10,341.02/x
  3. Step 3: Cross multiply
    18,838.64x = 25,998 × 10,341.02
  4. Step 4: Simplify right side
    18,838.64x = 268,845,837.96
  5. Step 5: Solve for x
    x = 268,845,837.96/18,838.64
  6. Step 6: Final answer
    x = 14,270.98

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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.