Home / 8,968.49-12,324.56-8,556.89

Finding the Fourth Proportional to 8,968.49, 12,324.56 and 8,556.89

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Solution

The fourth proportional to 8,968.49, 12,324.56 and 8,556.89 is: 11,758.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,968.49 : 12,324.56 = 8,556.89 : x
  2. Step 2: Convert to fraction form
    8,968.49/12,324.56 = 8,556.89/x
  3. Step 3: Cross multiply
    8,968.49x = 12,324.56 × 8,556.89
  4. Step 4: Simplify right side
    8,968.49x = 105,459,799.81
  5. Step 5: Solve for x
    x = 105,459,799.81/8,968.49
  6. Step 6: Final answer
    x = 11,758.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.