Home / 9,148.80-13,698.24-6,369.60

Finding the Fourth Proportional to 9,148.80, 13,698.24 and 6,369.60

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Solution

The fourth proportional to 9,148.80, 13,698.24 and 6,369.60 is: 9,537.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,148.80 : 13,698.24 = 6,369.60 : x
  2. Step 2: Convert to fraction form
    9,148.80/13,698.24 = 6,369.60/x
  3. Step 3: Cross multiply
    9,148.80x = 13,698.24 × 6,369.60
  4. Step 4: Simplify right side
    9,148.80x = 87,252,309.50
  5. Step 5: Solve for x
    x = 87,252,309.50/9,148.80
  6. Step 6: Final answer
    x = 9,537.02

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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.