Home / 15,849.80-23,745.90-9,686.60

Finding the Fourth Proportional to 15,849.80, 23,745.90 and 9,686.60

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Solution

The fourth proportional to 15,849.80, 23,745.90 and 9,686.60 is: 14,512.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,849.80 : 23,745.90 = 9,686.60 : x
  2. Step 2: Convert to fraction form
    15,849.80/23,745.90 = 9,686.60/x
  3. Step 3: Cross multiply
    15,849.80x = 23,745.90 × 9,686.60
  4. Step 4: Simplify right side
    15,849.80x = 230,017,034.94
  5. Step 5: Solve for x
    x = 230,017,034.94/15,849.80
  6. Step 6: Final answer
    x = 14,512.30

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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.