Home / 13,313.56-19,974.50-3,953.62

Finding the Fourth Proportional to 13,313.56, 19,974.50 and 3,953.62

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Solution

The fourth proportional to 13,313.56, 19,974.50 and 3,953.62 is: 5,931.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,313.56 : 19,974.50 = 3,953.62 : x
  2. Step 2: Convert to fraction form
    13,313.56/19,974.50 = 3,953.62/x
  3. Step 3: Cross multiply
    13,313.56x = 19,974.50 × 3,953.62
  4. Step 4: Simplify right side
    13,313.56x = 78,971,582.69
  5. Step 5: Solve for x
    x = 78,971,582.69/13,313.56
  6. Step 6: Final answer
    x = 5,931.67

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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.