Home / 9,515.48-13,131.40-5,266.84

Finding the Fourth Proportional to 9,515.48, 13,131.40 and 5,266.84

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Solution

The fourth proportional to 9,515.48, 13,131.40 and 5,266.84 is: 7,268.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515.48 : 13,131.40 = 5,266.84 : x
  2. Step 2: Convert to fraction form
    9,515.48/13,131.40 = 5,266.84/x
  3. Step 3: Cross multiply
    9,515.48x = 13,131.40 × 5,266.84
  4. Step 4: Simplify right side
    9,515.48x = 69,160,974.93
  5. Step 5: Solve for x
    x = 69,160,974.93/9,515.48
  6. Step 6: Final answer
    x = 7,268.26

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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.