Home / 13,386.84-20,082.78-5,069.34

Finding the Fourth Proportional to 13,386.84, 20,082.78 and 5,069.34

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Solution

The fourth proportional to 13,386.84, 20,082.78 and 5,069.34 is: 7,604.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,386.84 : 20,082.78 = 5,069.34 : x
  2. Step 2: Convert to fraction form
    13,386.84/20,082.78 = 5,069.34/x
  3. Step 3: Cross multiply
    13,386.84x = 20,082.78 × 5,069.34
  4. Step 4: Simplify right side
    13,386.84x = 101,806,439.97
  5. Step 5: Solve for x
    x = 101,806,439.97/13,386.84
  6. Step 6: Final answer
    x = 7,604.96

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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.