Home / 12,626.30-18,964.05-10,288.03

Finding the Fourth Proportional to 12,626.30, 18,964.05 and 10,288.03

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Solution

The fourth proportional to 12,626.30, 18,964.05 and 10,288.03 is: 15,452.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,626.30 : 18,964.05 = 10,288.03 : x
  2. Step 2: Convert to fraction form
    12,626.30/18,964.05 = 10,288.03/x
  3. Step 3: Cross multiply
    12,626.30x = 18,964.05 × 10,288.03
  4. Step 4: Simplify right side
    12,626.30x = 195,102,715.32
  5. Step 5: Solve for x
    x = 195,102,715.32/12,626.30
  6. Step 6: Final answer
    x = 15,452.09

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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.