Home / 19,487.26-26,900.94-12,422.98

Finding the Fourth Proportional to 19,487.26, 26,900.94 and 12,422.98

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Solution

The fourth proportional to 19,487.26, 26,900.94 and 12,422.98 is: 17,149.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,487.26 : 26,900.94 = 12,422.98 : x
  2. Step 2: Convert to fraction form
    19,487.26/26,900.94 = 12,422.98/x
  3. Step 3: Cross multiply
    19,487.26x = 26,900.94 × 12,422.98
  4. Step 4: Simplify right side
    19,487.26x = 334,189,839.60
  5. Step 5: Solve for x
    x = 334,189,839.60/19,487.26
  6. Step 6: Final answer
    x = 17,149.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.