Home / 15,989.88-23,986.47-6,137.40

Finding the Fourth Proportional to 15,989.88, 23,986.47 and 6,137.40

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Solution

The fourth proportional to 15,989.88, 23,986.47 and 6,137.40 is: 9,206.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,989.88 : 23,986.47 = 6,137.40 : x
  2. Step 2: Convert to fraction form
    15,989.88/23,986.47 = 6,137.40/x
  3. Step 3: Cross multiply
    15,989.88x = 23,986.47 × 6,137.40
  4. Step 4: Simplify right side
    15,989.88x = 147,214,560.98
  5. Step 5: Solve for x
    x = 147,214,560.98/15,989.88
  6. Step 6: Final answer
    x = 9,206.73

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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.