Home / 17,515.20-26,268.16-6,984.80

Finding the Fourth Proportional to 17,515.20, 26,268.16 and 6,984.80

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Solution

The fourth proportional to 17,515.20, 26,268.16 and 6,984.80 is: 10,475.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,515.20 : 26,268.16 = 6,984.80 : x
  2. Step 2: Convert to fraction form
    17,515.20/26,268.16 = 6,984.80/x
  3. Step 3: Cross multiply
    17,515.20x = 26,268.16 × 6,984.80
  4. Step 4: Simplify right side
    17,515.20x = 183,477,843.97
  5. Step 5: Solve for x
    x = 183,477,843.97/17,515.20
  6. Step 6: Final answer
    x = 10,475.35

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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.