Home / 12,712.46-19,080.33-6,476.94

Finding the Fourth Proportional to 12,712.46, 19,080.33 and 6,476.94

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Solution

The fourth proportional to 12,712.46, 19,080.33 and 6,476.94 is: 9,721.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,712.46 : 19,080.33 = 6,476.94 : x
  2. Step 2: Convert to fraction form
    12,712.46/19,080.33 = 6,476.94/x
  3. Step 3: Cross multiply
    12,712.46x = 19,080.33 × 6,476.94
  4. Step 4: Simplify right side
    12,712.46x = 123,582,128.30
  5. Step 5: Solve for x
    x = 123,582,128.30/12,712.46
  6. Step 6: Final answer
    x = 9,721.34

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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.