Home / 9,618.40-13,273.68-7,256.80

Finding the Fourth Proportional to 9,618.40, 13,273.68 and 7,256.80

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Solution

The fourth proportional to 9,618.40, 13,273.68 and 7,256.80 is: 10,014.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,618.40 : 13,273.68 = 7,256.80 : x
  2. Step 2: Convert to fraction form
    9,618.40/13,273.68 = 7,256.80/x
  3. Step 3: Cross multiply
    9,618.40x = 13,273.68 × 7,256.80
  4. Step 4: Simplify right side
    9,618.40x = 96,324,441.02
  5. Step 5: Solve for x
    x = 96,324,441.02/9,618.40
  6. Step 6: Final answer
    x = 10,014.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.