Home / 13,658.49-18,852.27-8,357.73

Finding the Fourth Proportional to 13,658.49, 18,852.27 and 8,357.73

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Solution

The fourth proportional to 13,658.49, 18,852.27 and 8,357.73 is: 11,535.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,658.49 : 18,852.27 = 8,357.73 : x
  2. Step 2: Convert to fraction form
    13,658.49/18,852.27 = 8,357.73/x
  3. Step 3: Cross multiply
    13,658.49x = 18,852.27 × 8,357.73
  4. Step 4: Simplify right side
    13,658.49x = 157,562,182.55
  5. Step 5: Solve for x
    x = 157,562,182.55/13,658.49
  6. Step 6: Final answer
    x = 11,535.84

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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.