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Finding the Fourth Proportional to 18,485, 25,509.93 and 10,102.04

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Solution

The fourth proportional to 18,485, 25,509.93 and 10,102.04 is: 13,941.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,485 : 25,509.93 = 10,102.04 : x
  2. Step 2: Convert to fraction form
    18,485/25,509.93 = 10,102.04/x
  3. Step 3: Cross multiply
    18,485x = 25,509.93 × 10,102.04
  4. Step 4: Simplify right side
    18,485x = 257,702,333.26
  5. Step 5: Solve for x
    x = 257,702,333.26/18,485
  6. Step 6: Final answer
    x = 13,941.16

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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.