Home / 14,187.35-21,271.89-6,791.63

Finding the Fourth Proportional to 14,187.35, 21,271.89 and 6,791.63

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Solution

The fourth proportional to 14,187.35, 21,271.89 and 6,791.63 is: 10,183.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,187.35 : 21,271.89 = 6,791.63 : x
  2. Step 2: Convert to fraction form
    14,187.35/21,271.89 = 6,791.63/x
  3. Step 3: Cross multiply
    14,187.35x = 21,271.89 × 6,791.63
  4. Step 4: Simplify right side
    14,187.35x = 144,470,806.28
  5. Step 5: Solve for x
    x = 144,470,806.28/14,187.35
  6. Step 6: Final answer
    x = 10,183.07

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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.