Home / 12,746.21-19,113.21-3,976.34

Finding the Fourth Proportional to 12,746.21, 19,113.21 and 3,976.34

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Solution

The fourth proportional to 12,746.21, 19,113.21 and 3,976.34 is: 5,962.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,746.21 : 19,113.21 = 3,976.34 : x
  2. Step 2: Convert to fraction form
    12,746.21/19,113.21 = 3,976.34/x
  3. Step 3: Cross multiply
    12,746.21x = 19,113.21 × 3,976.34
  4. Step 4: Simplify right side
    12,746.21x = 76,000,525.89
  5. Step 5: Solve for x
    x = 76,000,525.89/12,746.21
  6. Step 6: Final answer
    x = 5,962.60

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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.