Home / 12,712.92-19,069.40-5,313.34

Finding the Fourth Proportional to 12,712.92, 19,069.40 and 5,313.34

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Solution

The fourth proportional to 12,712.92, 19,069.40 and 5,313.34 is: 7,970.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,712.92 : 19,069.40 = 5,313.34 : x
  2. Step 2: Convert to fraction form
    12,712.92/19,069.40 = 5,313.34/x
  3. Step 3: Cross multiply
    12,712.92x = 19,069.40 × 5,313.34
  4. Step 4: Simplify right side
    12,712.92x = 101,322,205.80
  5. Step 5: Solve for x
    x = 101,322,205.80/12,712.92
  6. Step 6: Final answer
    x = 7,970.02

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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.