Home / 9,686.20-14,525.60-4,142.12

Finding the Fourth Proportional to 9,686.20, 14,525.60 and 4,142.12

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Solution

The fourth proportional to 9,686.20, 14,525.60 and 4,142.12 is: 6,211.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,686.20 : 14,525.60 = 4,142.12 : x
  2. Step 2: Convert to fraction form
    9,686.20/14,525.60 = 4,142.12/x
  3. Step 3: Cross multiply
    9,686.20x = 14,525.60 × 4,142.12
  4. Step 4: Simplify right side
    9,686.20x = 60,166,778.27
  5. Step 5: Solve for x
    x = 60,166,778.27/9,686.20
  6. Step 6: Final answer
    x = 6,211.60

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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.