Home / 17,898.03-26,821.67-13,181.06

Finding the Fourth Proportional to 17,898.03, 26,821.67 and 13,181.06

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Solution

The fourth proportional to 17,898.03, 26,821.67 and 13,181.06 is: 19,752.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,898.03 : 26,821.67 = 13,181.06 : x
  2. Step 2: Convert to fraction form
    17,898.03/26,821.67 = 13,181.06/x
  3. Step 3: Cross multiply
    17,898.03x = 26,821.67 × 13,181.06
  4. Step 4: Simplify right side
    17,898.03x = 353,538,042.72
  5. Step 5: Solve for x
    x = 353,538,042.72/17,898.03
  6. Step 6: Final answer
    x = 19,752.90

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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.