Home / 12,811.48-19,215.06-6,235.96

Finding the Fourth Proportional to 12,811.48, 19,215.06 and 6,235.96

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Solution

The fourth proportional to 12,811.48, 19,215.06 and 6,235.96 is: 9,352.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,811.48 : 19,215.06 = 6,235.96 : x
  2. Step 2: Convert to fraction form
    12,811.48/19,215.06 = 6,235.96/x
  3. Step 3: Cross multiply
    12,811.48x = 19,215.06 × 6,235.96
  4. Step 4: Simplify right side
    12,811.48x = 119,824,345.56
  5. Step 5: Solve for x
    x = 119,824,345.56/12,811.48
  6. Step 6: Final answer
    x = 9,352.89

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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.