Home / 14,186.84-21,271.12-6,791.12

Finding the Fourth Proportional to 14,186.84, 21,271.12 and 6,791.12

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Solution

The fourth proportional to 14,186.84, 21,271.12 and 6,791.12 is: 10,182.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,186.84 : 21,271.12 = 6,791.12 : x
  2. Step 2: Convert to fraction form
    14,186.84/21,271.12 = 6,791.12/x
  3. Step 3: Cross multiply
    14,186.84x = 21,271.12 × 6,791.12
  4. Step 4: Simplify right side
    14,186.84x = 144,454,728.45
  5. Step 5: Solve for x
    x = 144,454,728.45/14,186.84
  6. Step 6: Final answer
    x = 10,182.30

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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.