Home / 13,361.64-20,050.56-5,570.34

Finding the Fourth Proportional to 13,361.64, 20,050.56 and 5,570.34

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Solution

The fourth proportional to 13,361.64, 20,050.56 and 5,570.34 is: 8,358.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,361.64 : 20,050.56 = 5,570.34 : x
  2. Step 2: Convert to fraction form
    13,361.64/20,050.56 = 5,570.34/x
  3. Step 3: Cross multiply
    13,361.64x = 20,050.56 × 5,570.34
  4. Step 4: Simplify right side
    13,361.64x = 111,688,436.39
  5. Step 5: Solve for x
    x = 111,688,436.39/13,361.64
  6. Step 6: Final answer
    x = 8,358.89

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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.