Home / 11,389.23-17,085.66-4,815.48

Finding the Fourth Proportional to 11,389.23, 17,085.66 and 4,815.48

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Solution

The fourth proportional to 11,389.23, 17,085.66 and 4,815.48 is: 7,223.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,389.23 : 17,085.66 = 4,815.48 : x
  2. Step 2: Convert to fraction form
    11,389.23/17,085.66 = 4,815.48/x
  3. Step 3: Cross multiply
    11,389.23x = 17,085.66 × 4,815.48
  4. Step 4: Simplify right side
    11,389.23x = 82,275,654.02
  5. Step 5: Solve for x
    x = 82,275,654.02/11,389.23
  6. Step 6: Final answer
    x = 7,223.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.