Home / 10,288.74-15,439.26-4,445.34

Finding the Fourth Proportional to 10,288.74, 15,439.26 and 4,445.34

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Solution

The fourth proportional to 10,288.74, 15,439.26 and 4,445.34 is: 6,670.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,288.74 : 15,439.26 = 4,445.34 : x
  2. Step 2: Convert to fraction form
    10,288.74/15,439.26 = 4,445.34/x
  3. Step 3: Cross multiply
    10,288.74x = 15,439.26 × 4,445.34
  4. Step 4: Simplify right side
    10,288.74x = 68,632,760.05
  5. Step 5: Solve for x
    x = 68,632,760.05/10,288.74
  6. Step 6: Final answer
    x = 6,670.67

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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.