Home / 11,679.46-17,522.43-6,740.08

Finding the Fourth Proportional to 11,679.46, 17,522.43 and 6,740.08

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Solution

The fourth proportional to 11,679.46, 17,522.43 and 6,740.08 is: 10,111.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,679.46 : 17,522.43 = 6,740.08 : x
  2. Step 2: Convert to fraction form
    11,679.46/17,522.43 = 6,740.08/x
  3. Step 3: Cross multiply
    11,679.46x = 17,522.43 × 6,740.08
  4. Step 4: Simplify right side
    11,679.46x = 118,102,510.91
  5. Step 5: Solve for x
    x = 118,102,510.91/11,679.46
  6. Step 6: Final answer
    x = 10,111.99

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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.