Home / 12,680.37-19,028.71-6,841.01

Finding the Fourth Proportional to 12,680.37, 19,028.71 and 6,841.01

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Solution

The fourth proportional to 12,680.37, 19,028.71 and 6,841.01 is: 10,265.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,680.37 : 19,028.71 = 6,841.01 : x
  2. Step 2: Convert to fraction form
    12,680.37/19,028.71 = 6,841.01/x
  3. Step 3: Cross multiply
    12,680.37x = 19,028.71 × 6,841.01
  4. Step 4: Simplify right side
    12,680.37x = 130,175,595.40
  5. Step 5: Solve for x
    x = 130,175,595.40/12,680.37
  6. Step 6: Final answer
    x = 10,265.91

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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.