Home / 17,811.93-26,707.09-12,259.18

Finding the Fourth Proportional to 17,811.93, 26,707.09 and 12,259.18

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Solution

The fourth proportional to 17,811.93, 26,707.09 and 12,259.18 is: 18,381.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,811.93 : 26,707.09 = 12,259.18 : x
  2. Step 2: Convert to fraction form
    17,811.93/26,707.09 = 12,259.18/x
  3. Step 3: Cross multiply
    17,811.93x = 26,707.09 × 12,259.18
  4. Step 4: Simplify right side
    17,811.93x = 327,406,890.05
  5. Step 5: Solve for x
    x = 327,406,890.05/17,811.93
  6. Step 6: Final answer
    x = 18,381.33

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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.