Home / 17,318.75-26,019.72-11,090.84

Finding the Fourth Proportional to 17,318.75, 26,019.72 and 11,090.84

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Solution

The fourth proportional to 17,318.75, 26,019.72 and 11,090.84 is: 16,662.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,318.75 : 26,019.72 = 11,090.84 : x
  2. Step 2: Convert to fraction form
    17,318.75/26,019.72 = 11,090.84/x
  3. Step 3: Cross multiply
    17,318.75x = 26,019.72 × 11,090.84
  4. Step 4: Simplify right side
    17,318.75x = 288,580,421.27
  5. Step 5: Solve for x
    x = 288,580,421.27/17,318.75
  6. Step 6: Final answer
    x = 16,662.89

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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.