Home / 17,921.63-26,910.18-9,617.85

Finding the Fourth Proportional to 17,921.63, 26,910.18 and 9,617.85

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Solution

The fourth proportional to 17,921.63, 26,910.18 and 9,617.85 is: 14,441.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,921.63 : 26,910.18 = 9,617.85 : x
  2. Step 2: Convert to fraction form
    17,921.63/26,910.18 = 9,617.85/x
  3. Step 3: Cross multiply
    17,921.63x = 26,910.18 × 9,617.85
  4. Step 4: Simplify right side
    17,921.63x = 258,818,074.71
  5. Step 5: Solve for x
    x = 258,818,074.71/17,921.63
  6. Step 6: Final answer
    x = 14,441.66

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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.