Home / 12,823.04-19,237.26-7,279.04

Finding the Fourth Proportional to 12,823.04, 19,237.26 and 7,279.04

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Solution

The fourth proportional to 12,823.04, 19,237.26 and 7,279.04 is: 10,920.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,823.04 : 19,237.26 = 7,279.04 : x
  2. Step 2: Convert to fraction form
    12,823.04/19,237.26 = 7,279.04/x
  3. Step 3: Cross multiply
    12,823.04x = 19,237.26 × 7,279.04
  4. Step 4: Simplify right side
    12,823.04x = 140,028,785.03
  5. Step 5: Solve for x
    x = 140,028,785.03/12,823.04
  6. Step 6: Final answer
    x = 10,920.09

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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.