Home / 13,305.36-19,958.64-4,540.35

Finding the Fourth Proportional to 13,305.36, 19,958.64 and 4,540.35

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Solution

The fourth proportional to 13,305.36, 19,958.64 and 4,540.35 is: 6,810.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305.36 : 19,958.64 = 4,540.35 : x
  2. Step 2: Convert to fraction form
    13,305.36/19,958.64 = 4,540.35/x
  3. Step 3: Cross multiply
    13,305.36x = 19,958.64 × 4,540.35
  4. Step 4: Simplify right side
    13,305.36x = 90,619,111.33
  5. Step 5: Solve for x
    x = 90,619,111.33/13,305.36
  6. Step 6: Final answer
    x = 6,810.72

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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.