Home / 11,354.28-15,660.03-7,376.67

Finding the Fourth Proportional to 11,354.28, 15,660.03 and 7,376.67

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Solution

The fourth proportional to 11,354.28, 15,660.03 and 7,376.67 is: 10,174.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,354.28 : 15,660.03 = 7,376.67 : x
  2. Step 2: Convert to fraction form
    11,354.28/15,660.03 = 7,376.67/x
  3. Step 3: Cross multiply
    11,354.28x = 15,660.03 × 7,376.67
  4. Step 4: Simplify right side
    11,354.28x = 115,518,932.23
  5. Step 5: Solve for x
    x = 115,518,932.23/11,354.28
  6. Step 6: Final answer
    x = 10,174.04

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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.