Home / 9,683.45-13,361.54-5,705.36

Finding the Fourth Proportional to 9,683.45, 13,361.54 and 5,705.36

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Solution

The fourth proportional to 9,683.45, 13,361.54 and 5,705.36 is: 7,872.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,683.45 : 13,361.54 = 5,705.36 : x
  2. Step 2: Convert to fraction form
    9,683.45/13,361.54 = 5,705.36/x
  3. Step 3: Cross multiply
    9,683.45x = 13,361.54 × 5,705.36
  4. Step 4: Simplify right side
    9,683.45x = 76,232,300.52
  5. Step 5: Solve for x
    x = 76,232,300.52/9,683.45
  6. Step 6: Final answer
    x = 7,872.44

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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.