Home / 18,380.11-27,525.75-10,458.62

Finding the Fourth Proportional to 18,380.11, 27,525.75 and 10,458.62

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Solution

The fourth proportional to 18,380.11, 27,525.75 and 10,458.62 is: 15,662.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,380.11 : 27,525.75 = 10,458.62 : x
  2. Step 2: Convert to fraction form
    18,380.11/27,525.75 = 10,458.62/x
  3. Step 3: Cross multiply
    18,380.11x = 27,525.75 × 10,458.62
  4. Step 4: Simplify right side
    18,380.11x = 287,881,307.17
  5. Step 5: Solve for x
    x = 287,881,307.17/18,380.11
  6. Step 6: Final answer
    x = 15,662.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.