Home / 11,389.76-17,084.64-3,597.12

Finding the Fourth Proportional to 11,389.76, 17,084.64 and 3,597.12

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Solution

The fourth proportional to 11,389.76, 17,084.64 and 3,597.12 is: 5,395.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,389.76 : 17,084.64 = 3,597.12 : x
  2. Step 2: Convert to fraction form
    11,389.76/17,084.64 = 3,597.12/x
  3. Step 3: Cross multiply
    11,389.76x = 17,084.64 × 3,597.12
  4. Step 4: Simplify right side
    11,389.76x = 61,455,500.24
  5. Step 5: Solve for x
    x = 61,455,500.24/11,389.76
  6. Step 6: Final answer
    x = 5,395.68

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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.