Home / 13,370.31-20,055.77-4,485.62

Finding the Fourth Proportional to 13,370.31, 20,055.77 and 4,485.62

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Solution

The fourth proportional to 13,370.31, 20,055.77 and 4,485.62 is: 6,728.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,370.31 : 20,055.77 = 4,485.62 : x
  2. Step 2: Convert to fraction form
    13,370.31/20,055.77 = 4,485.62/x
  3. Step 3: Cross multiply
    13,370.31x = 20,055.77 × 4,485.62
  4. Step 4: Simplify right side
    13,370.31x = 89,962,440.32
  5. Step 5: Solve for x
    x = 89,962,440.32/13,370.31
  6. Step 6: Final answer
    x = 6,728.52

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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.