Home / 17,980.62-26,967.69-12,765.30

Finding the Fourth Proportional to 17,980.62, 26,967.69 and 12,765.30

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Solution

The fourth proportional to 17,980.62, 26,967.69 and 12,765.30 is: 19,145.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,980.62 : 26,967.69 = 12,765.30 : x
  2. Step 2: Convert to fraction form
    17,980.62/26,967.69 = 12,765.30/x
  3. Step 3: Cross multiply
    17,980.62x = 26,967.69 × 12,765.30
  4. Step 4: Simplify right side
    17,980.62x = 344,250,653.16
  5. Step 5: Solve for x
    x = 344,250,653.16/17,980.62
  6. Step 6: Final answer
    x = 19,145.65

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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.