Home / 9,515.16-13,126.89-6,372.36

Finding the Fourth Proportional to 9,515.16, 13,126.89 and 6,372.36

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Solution

The fourth proportional to 9,515.16, 13,126.89 and 6,372.36 is: 8,791.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515.16 : 13,126.89 = 6,372.36 : x
  2. Step 2: Convert to fraction form
    9,515.16/13,126.89 = 6,372.36/x
  3. Step 3: Cross multiply
    9,515.16x = 13,126.89 × 6,372.36
  4. Step 4: Simplify right side
    9,515.16x = 83,649,268.76
  5. Step 5: Solve for x
    x = 83,649,268.76/9,515.16
  6. Step 6: Final answer
    x = 8,791.16

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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.