Home / 15,096.34-20,833.12-8,290.67

Finding the Fourth Proportional to 15,096.34, 20,833.12 and 8,290.67

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Solution

The fourth proportional to 15,096.34, 20,833.12 and 8,290.67 is: 11,441.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,096.34 : 20,833.12 = 8,290.67 : x
  2. Step 2: Convert to fraction form
    15,096.34/20,833.12 = 8,290.67/x
  3. Step 3: Cross multiply
    15,096.34x = 20,833.12 × 8,290.67
  4. Step 4: Simplify right side
    15,096.34x = 172,720,522.99
  5. Step 5: Solve for x
    x = 172,720,522.99/15,096.34
  6. Step 6: Final answer
    x = 11,441.22

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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.