Home / 13,345.32-20,014.51-3,983.25

Finding the Fourth Proportional to 13,345.32, 20,014.51 and 3,983.25

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Solution

The fourth proportional to 13,345.32, 20,014.51 and 3,983.25 is: 5,973.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,345.32 : 20,014.51 = 3,983.25 : x
  2. Step 2: Convert to fraction form
    13,345.32/20,014.51 = 3,983.25/x
  3. Step 3: Cross multiply
    13,345.32x = 20,014.51 × 3,983.25
  4. Step 4: Simplify right side
    13,345.32x = 79,722,796.96
  5. Step 5: Solve for x
    x = 79,722,796.96/13,345.32
  6. Step 6: Final answer
    x = 5,973.84

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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.