Home / 17,720.35-26,562.26-7,864.27

Finding the Fourth Proportional to 17,720.35, 26,562.26 and 7,864.27

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Solution

The fourth proportional to 17,720.35, 26,562.26 and 7,864.27 is: 11,788.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,720.35 : 26,562.26 = 7,864.27 : x
  2. Step 2: Convert to fraction form
    17,720.35/26,562.26 = 7,864.27/x
  3. Step 3: Cross multiply
    17,720.35x = 26,562.26 × 7,864.27
  4. Step 4: Simplify right side
    17,720.35x = 208,892,651.64
  5. Step 5: Solve for x
    x = 208,892,651.64/17,720.35
  6. Step 6: Final answer
    x = 11,788.29

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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.