Home / 15,678.87-23,520.60-7,359.73

Finding the Fourth Proportional to 15,678.87, 23,520.60 and 7,359.73

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Solution

The fourth proportional to 15,678.87, 23,520.60 and 7,359.73 is: 11,040.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,678.87 : 23,520.60 = 7,359.73 : x
  2. Step 2: Convert to fraction form
    15,678.87/23,520.60 = 7,359.73/x
  3. Step 3: Cross multiply
    15,678.87x = 23,520.60 × 7,359.73
  4. Step 4: Simplify right side
    15,678.87x = 173,105,265.44
  5. Step 5: Solve for x
    x = 173,105,265.44/15,678.87
  6. Step 6: Final answer
    x = 11,040.67

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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.