Home / 9,718.14-13,415.58-6,361.05

Finding the Fourth Proportional to 9,718.14, 13,415.58 and 6,361.05

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Solution

The fourth proportional to 9,718.14, 13,415.58 and 6,361.05 is: 8,781.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,718.14 : 13,415.58 = 6,361.05 : x
  2. Step 2: Convert to fraction form
    9,718.14/13,415.58 = 6,361.05/x
  3. Step 3: Cross multiply
    9,718.14x = 13,415.58 × 6,361.05
  4. Step 4: Simplify right side
    9,718.14x = 85,337,175.16
  5. Step 5: Solve for x
    x = 85,337,175.16/9,718.14
  6. Step 6: Final answer
    x = 8,781.23

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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.