Home / 12,808.53-19,227.38-7,625.34

Finding the Fourth Proportional to 12,808.53, 19,227.38 and 7,625.34

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Solution

The fourth proportional to 12,808.53, 19,227.38 and 7,625.34 is: 11,446.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,808.53 : 19,227.38 = 7,625.34 : x
  2. Step 2: Convert to fraction form
    12,808.53/19,227.38 = 7,625.34/x
  3. Step 3: Cross multiply
    12,808.53x = 19,227.38 × 7,625.34
  4. Step 4: Simplify right side
    12,808.53x = 146,615,271.68
  5. Step 5: Solve for x
    x = 146,615,271.68/12,808.53
  6. Step 6: Final answer
    x = 11,446.69

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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.