Home / 11,525.10-17,288.74-8,930.94

Finding the Fourth Proportional to 11,525.10, 17,288.74 and 8,930.94

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Solution

The fourth proportional to 11,525.10, 17,288.74 and 8,930.94 is: 13,397.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,525.10 : 17,288.74 = 8,930.94 : x
  2. Step 2: Convert to fraction form
    11,525.10/17,288.74 = 8,930.94/x
  3. Step 3: Cross multiply
    11,525.10x = 17,288.74 × 8,930.94
  4. Step 4: Simplify right side
    11,525.10x = 154,404,699.62
  5. Step 5: Solve for x
    x = 154,404,699.62/11,525.10
  6. Step 6: Final answer
    x = 13,397.25

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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.