Home / 12,948.36-19,440.30-6,712.67

Finding the Fourth Proportional to 12,948.36, 19,440.30 and 6,712.67

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Solution

The fourth proportional to 12,948.36, 19,440.30 and 6,712.67 is: 10,078.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948.36 : 19,440.30 = 6,712.67 : x
  2. Step 2: Convert to fraction form
    12,948.36/19,440.30 = 6,712.67/x
  3. Step 3: Cross multiply
    12,948.36x = 19,440.30 × 6,712.67
  4. Step 4: Simplify right side
    12,948.36x = 130,496,392.37
  5. Step 5: Solve for x
    x = 130,496,392.37/12,948.36
  6. Step 6: Final answer
    x = 10,078.22

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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.