Home / 23,125.86-31,913.46-12,515.26

Finding the Fourth Proportional to 23,125.86, 31,913.46 and 12,515.26

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Solution

The fourth proportional to 23,125.86, 31,913.46 and 12,515.26 is: 17,270.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,125.86 : 31,913.46 = 12,515.26 : x
  2. Step 2: Convert to fraction form
    23,125.86/31,913.46 = 12,515.26/x
  3. Step 3: Cross multiply
    23,125.86x = 31,913.46 × 12,515.26
  4. Step 4: Simplify right side
    23,125.86x = 399,405,249.40
  5. Step 5: Solve for x
    x = 399,405,249.40/23,125.86
  6. Step 6: Final answer
    x = 17,270.94

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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.