Home / 11,688.66-17,525.61-7,735.64

Finding the Fourth Proportional to 11,688.66, 17,525.61 and 7,735.64

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Solution

The fourth proportional to 11,688.66, 17,525.61 and 7,735.64 is: 11,598.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,688.66 : 17,525.61 = 7,735.64 : x
  2. Step 2: Convert to fraction form
    11,688.66/17,525.61 = 7,735.64/x
  3. Step 3: Cross multiply
    11,688.66x = 17,525.61 × 7,735.64
  4. Step 4: Simplify right side
    11,688.66x = 135,571,722.11
  5. Step 5: Solve for x
    x = 135,571,722.11/11,688.66
  6. Step 6: Final answer
    x = 11,598.57

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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.