Home / 13,764.56-20,646.85-3,376.31

Finding the Fourth Proportional to 13,764.56, 20,646.85 and 3,376.31

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Solution

The fourth proportional to 13,764.56, 20,646.85 and 3,376.31 is: 5,064.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,764.56 : 20,646.85 = 3,376.31 : x
  2. Step 2: Convert to fraction form
    13,764.56/20,646.85 = 3,376.31/x
  3. Step 3: Cross multiply
    13,764.56x = 20,646.85 × 3,376.31
  4. Step 4: Simplify right side
    13,764.56x = 69,710,054.45
  5. Step 5: Solve for x
    x = 69,710,054.45/13,764.56
  6. Step 6: Final answer
    x = 5,064.46

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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.