Home / 12,865.03-19,306.77-5,474.68

Finding the Fourth Proportional to 12,865.03, 19,306.77 and 5,474.68

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Solution

The fourth proportional to 12,865.03, 19,306.77 and 5,474.68 is: 8,215.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,865.03 : 19,306.77 = 5,474.68 : x
  2. Step 2: Convert to fraction form
    12,865.03/19,306.77 = 5,474.68/x
  3. Step 3: Cross multiply
    12,865.03x = 19,306.77 × 5,474.68
  4. Step 4: Simplify right side
    12,865.03x = 105,698,339.32
  5. Step 5: Solve for x
    x = 105,698,339.32/12,865.03
  6. Step 6: Final answer
    x = 8,215.94

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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.