Home / 9,197.20-13,779.60-7,544.80

Finding the Fourth Proportional to 9,197.20, 13,779.60 and 7,544.80

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Solution

The fourth proportional to 9,197.20, 13,779.60 and 7,544.80 is: 11,303.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,197.20 : 13,779.60 = 7,544.80 : x
  2. Step 2: Convert to fraction form
    9,197.20/13,779.60 = 7,544.80/x
  3. Step 3: Cross multiply
    9,197.20x = 13,779.60 × 7,544.80
  4. Step 4: Simplify right side
    9,197.20x = 103,964,326.08
  5. Step 5: Solve for x
    x = 103,964,326.08/9,197.20
  6. Step 6: Final answer
    x = 11,303.91

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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.