Home / 18,380.36-27,526.12-10,458.87

Finding the Fourth Proportional to 18,380.36, 27,526.12 and 10,458.87

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Solution

The fourth proportional to 18,380.36, 27,526.12 and 10,458.87 is: 15,663.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,380.36 : 27,526.12 = 10,458.87 : x
  2. Step 2: Convert to fraction form
    18,380.36/27,526.12 = 10,458.87/x
  3. Step 3: Cross multiply
    18,380.36x = 27,526.12 × 10,458.87
  4. Step 4: Simplify right side
    18,380.36x = 287,892,143.37
  5. Step 5: Solve for x
    x = 287,892,143.37/18,380.36
  6. Step 6: Final answer
    x = 15,663.03

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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.