Home / 23,126.27-31,914.26-12,515.90

Finding the Fourth Proportional to 23,126.27, 31,914.26 and 12,515.90

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Solution

The fourth proportional to 23,126.27, 31,914.26 and 12,515.90 is: 17,271.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,126.27 : 31,914.26 = 12,515.90 : x
  2. Step 2: Convert to fraction form
    23,126.27/31,914.26 = 12,515.90/x
  3. Step 3: Cross multiply
    23,126.27x = 31,914.26 × 12,515.90
  4. Step 4: Simplify right side
    23,126.27x = 399,435,703.94
  5. Step 5: Solve for x
    x = 399,435,703.94/23,126.27
  6. Step 6: Final answer
    x = 17,271.94

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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.