Home / 17,668.26-26,444.70-12,987.02

Finding the Fourth Proportional to 17,668.26, 26,444.70 and 12,987.02

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Solution

The fourth proportional to 17,668.26, 26,444.70 and 12,987.02 is: 19,438.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,668.26 : 26,444.70 = 12,987.02 : x
  2. Step 2: Convert to fraction form
    17,668.26/26,444.70 = 12,987.02/x
  3. Step 3: Cross multiply
    17,668.26x = 26,444.70 × 12,987.02
  4. Step 4: Simplify right side
    17,668.26x = 343,437,847.79
  5. Step 5: Solve for x
    x = 343,437,847.79/17,668.26
  6. Step 6: Final answer
    x = 19,438.13

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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.