Home / 13,261.61-19,896.26-7,704.74

Finding the Fourth Proportional to 13,261.61, 19,896.26 and 7,704.74

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Solution

The fourth proportional to 13,261.61, 19,896.26 and 7,704.74 is: 11,559.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,261.61 : 19,896.26 = 7,704.74 : x
  2. Step 2: Convert to fraction form
    13,261.61/19,896.26 = 7,704.74/x
  3. Step 3: Cross multiply
    13,261.61x = 19,896.26 × 7,704.74
  4. Step 4: Simplify right side
    13,261.61x = 153,295,372.27
  5. Step 5: Solve for x
    x = 153,295,372.27/13,261.61
  6. Step 6: Final answer
    x = 11,559.34

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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.