Home / 12,533.54-17,301.60-8,286.50

Finding the Fourth Proportional to 12,533.54, 17,301.60 and 8,286.50

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Solution

The fourth proportional to 12,533.54, 17,301.60 and 8,286.50 is: 11,438.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,533.54 : 17,301.60 = 8,286.50 : x
  2. Step 2: Convert to fraction form
    12,533.54/17,301.60 = 8,286.50/x
  3. Step 3: Cross multiply
    12,533.54x = 17,301.60 × 8,286.50
  4. Step 4: Simplify right side
    12,533.54x = 143,369,751.65
  5. Step 5: Solve for x
    x = 143,369,751.65/12,533.54
  6. Step 6: Final answer
    x = 11,438.89

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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.