Home / 13,558.58-18,709.97-7,589.24

Finding the Fourth Proportional to 13,558.58, 18,709.97 and 7,589.24

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Solution

The fourth proportional to 13,558.58, 18,709.97 and 7,589.24 is: 10,472.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,558.58 : 18,709.97 = 7,589.24 : x
  2. Step 2: Convert to fraction form
    13,558.58/18,709.97 = 7,589.24/x
  3. Step 3: Cross multiply
    13,558.58x = 18,709.97 × 7,589.24
  4. Step 4: Simplify right side
    13,558.58x = 141,994,321.23
  5. Step 5: Solve for x
    x = 141,994,321.23/13,558.58
  6. Step 6: Final answer
    x = 10,472.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.