Home / 13,854.56-20,782.04-3,466.31

Finding the Fourth Proportional to 13,854.56, 20,782.04 and 3,466.31

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Solution

The fourth proportional to 13,854.56, 20,782.04 and 3,466.31 is: 5,199.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,854.56 : 20,782.04 = 3,466.31 : x
  2. Step 2: Convert to fraction form
    13,854.56/20,782.04 = 3,466.31/x
  3. Step 3: Cross multiply
    13,854.56x = 20,782.04 × 3,466.31
  4. Step 4: Simplify right side
    13,854.56x = 72,036,871.83
  5. Step 5: Solve for x
    x = 72,036,871.83/13,854.56
  6. Step 6: Final answer
    x = 5,199.51

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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.