Home / 12,266.34-18,399.50-3,947.08

Finding the Fourth Proportional to 12,266.34, 18,399.50 and 3,947.08

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Solution

The fourth proportional to 12,266.34, 18,399.50 and 3,947.08 is: 5,920.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,266.34 : 18,399.50 = 3,947.08 : x
  2. Step 2: Convert to fraction form
    12,266.34/18,399.50 = 3,947.08/x
  3. Step 3: Cross multiply
    12,266.34x = 18,399.50 × 3,947.08
  4. Step 4: Simplify right side
    12,266.34x = 72,624,304.23
  5. Step 5: Solve for x
    x = 72,624,304.23/12,266.34
  6. Step 6: Final answer
    x = 5,920.62

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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.