Home / 13,025.72-19,540.40-4,261.32

Finding the Fourth Proportional to 13,025.72, 19,540.40 and 4,261.32

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Solution

The fourth proportional to 13,025.72, 19,540.40 and 4,261.32 is: 6,392.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,025.72 : 19,540.40 = 4,261.32 : x
  2. Step 2: Convert to fraction form
    13,025.72/19,540.40 = 4,261.32/x
  3. Step 3: Cross multiply
    13,025.72x = 19,540.40 × 4,261.32
  4. Step 4: Simplify right side
    13,025.72x = 83,267,876.02
  5. Step 5: Solve for x
    x = 83,267,876.02/13,025.72
  6. Step 6: Final answer
    x = 6,392.58

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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.