Home / 11,489.23-15,851.10-7,512.67

Finding the Fourth Proportional to 11,489.23, 15,851.10 and 7,512.67

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Solution

The fourth proportional to 11,489.23, 15,851.10 and 7,512.67 is: 10,364.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,489.23 : 15,851.10 = 7,512.67 : x
  2. Step 2: Convert to fraction form
    11,489.23/15,851.10 = 7,512.67/x
  3. Step 3: Cross multiply
    11,489.23x = 15,851.10 × 7,512.67
  4. Step 4: Simplify right side
    11,489.23x = 119,084,083.44
  5. Step 5: Solve for x
    x = 119,084,083.44/11,489.23
  6. Step 6: Final answer
    x = 10,364.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.