Home / 18,816.11-25,967.04-10,858.31

Finding the Fourth Proportional to 18,816.11, 25,967.04 and 10,858.31

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Solution

The fourth proportional to 18,816.11, 25,967.04 and 10,858.31 is: 14,984.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,816.11 : 25,967.04 = 10,858.31 : x
  2. Step 2: Convert to fraction form
    18,816.11/25,967.04 = 10,858.31/x
  3. Step 3: Cross multiply
    18,816.11x = 25,967.04 × 10,858.31
  4. Step 4: Simplify right side
    18,816.11x = 281,958,170.10
  5. Step 5: Solve for x
    x = 281,958,170.10/18,816.11
  6. Step 6: Final answer
    x = 14,984.93

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1.5x scale

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.