Home / 12,898.50-19,346.76-4,131.06

Finding the Fourth Proportional to 12,898.50, 19,346.76 and 4,131.06

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Solution

The fourth proportional to 12,898.50, 19,346.76 and 4,131.06 is: 6,196.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,898.50 : 19,346.76 = 4,131.06 : x
  2. Step 2: Convert to fraction form
    12,898.50/19,346.76 = 4,131.06/x
  3. Step 3: Cross multiply
    12,898.50x = 19,346.76 × 4,131.06
  4. Step 4: Simplify right side
    12,898.50x = 79,922,626.37
  5. Step 5: Solve for x
    x = 79,922,626.37/12,898.50
  6. Step 6: Final answer
    x = 6,196.27

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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.