Home / 12,328.30-18,503.44-5,758.19

Finding the Fourth Proportional to 12,328.30, 18,503.44 and 5,758.19

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Solution

The fourth proportional to 12,328.30, 18,503.44 and 5,758.19 is: 8,642.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,328.30 : 18,503.44 = 5,758.19 : x
  2. Step 2: Convert to fraction form
    12,328.30/18,503.44 = 5,758.19/x
  3. Step 3: Cross multiply
    12,328.30x = 18,503.44 × 5,758.19
  4. Step 4: Simplify right side
    12,328.30x = 106,546,285.65
  5. Step 5: Solve for x
    x = 106,546,285.65/12,328.30
  6. Step 6: Final answer
    x = 8,642.41

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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.