Home / 13,370.66-20,055.54-6,355.72

Finding the Fourth Proportional to 13,370.66, 20,055.54 and 6,355.72

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Solution

The fourth proportional to 13,370.66, 20,055.54 and 6,355.72 is: 9,533.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,370.66 : 20,055.54 = 6,355.72 : x
  2. Step 2: Convert to fraction form
    13,370.66/20,055.54 = 6,355.72/x
  3. Step 3: Cross multiply
    13,370.66x = 20,055.54 × 6,355.72
  4. Step 4: Simplify right side
    13,370.66x = 127,467,396.69
  5. Step 5: Solve for x
    x = 127,467,396.69/13,370.66
  6. Step 6: Final answer
    x = 9,533.37

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1.5x scale

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.