Home / 15,825.88-23,699.94-12,683.80

Finding the Fourth Proportional to 15,825.88, 23,699.94 and 12,683.80

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Solution

The fourth proportional to 15,825.88, 23,699.94 and 12,683.80 is: 18,994.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,825.88 : 23,699.94 = 12,683.80 : x
  2. Step 2: Convert to fraction form
    15,825.88/23,699.94 = 12,683.80/x
  3. Step 3: Cross multiply
    15,825.88x = 23,699.94 × 12,683.80
  4. Step 4: Simplify right side
    15,825.88x = 300,605,298.97
  5. Step 5: Solve for x
    x = 300,605,298.97/15,825.88
  6. Step 6: Final answer
    x = 18,994.54

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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.