Home / 11,991.51-17,986.59-4,595.67

Finding the Fourth Proportional to 11,991.51, 17,986.59 and 4,595.67

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Solution

The fourth proportional to 11,991.51, 17,986.59 and 4,595.67 is: 6,893.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,991.51 : 17,986.59 = 4,595.67 : x
  2. Step 2: Convert to fraction form
    11,991.51/17,986.59 = 4,595.67/x
  3. Step 3: Cross multiply
    11,991.51x = 17,986.59 × 4,595.67
  4. Step 4: Simplify right side
    11,991.51x = 82,660,432.07
  5. Step 5: Solve for x
    x = 82,660,432.07/11,991.51
  6. Step 6: Final answer
    x = 6,893.25

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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.