Home / 8,556.38-11,814.48-6,563.78

Finding the Fourth Proportional to 8,556.38, 11,814.48 and 6,563.78

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Solution

The fourth proportional to 8,556.38, 11,814.48 and 6,563.78 is: 9,063.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,556.38 : 11,814.48 = 6,563.78 : x
  2. Step 2: Convert to fraction form
    8,556.38/11,814.48 = 6,563.78/x
  3. Step 3: Cross multiply
    8,556.38x = 11,814.48 × 6,563.78
  4. Step 4: Simplify right side
    8,556.38x = 77,547,647.53
  5. Step 5: Solve for x
    x = 77,547,647.53/8,556.38
  6. Step 6: Final answer
    x = 9,063.14

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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.