Home / 11,389.76-17,084.64-3,604.08

Finding the Fourth Proportional to 11,389.76, 17,084.64 and 3,604.08

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Solution

The fourth proportional to 11,389.76, 17,084.64 and 3,604.08 is: 5,406.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,389.76 : 17,084.64 = 3,604.08 : x
  2. Step 2: Convert to fraction form
    11,389.76/17,084.64 = 3,604.08/x
  3. Step 3: Cross multiply
    11,389.76x = 17,084.64 × 3,604.08
  4. Step 4: Simplify right side
    11,389.76x = 61,574,409.33
  5. Step 5: Solve for x
    x = 61,574,409.33/11,389.76
  6. Step 6: Final answer
    x = 5,406.12

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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.