Home / 12,556.98-18,812.50-5,881.22

Finding the Fourth Proportional to 12,556.98, 18,812.50 and 5,881.22

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Solution

The fourth proportional to 12,556.98, 18,812.50 and 5,881.22 is: 8,811.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,556.98 : 18,812.50 = 5,881.22 : x
  2. Step 2: Convert to fraction form
    12,556.98/18,812.50 = 5,881.22/x
  3. Step 3: Cross multiply
    12,556.98x = 18,812.50 × 5,881.22
  4. Step 4: Simplify right side
    12,556.98x = 110,640,451.25
  5. Step 5: Solve for x
    x = 110,640,451.25/12,556.98
  6. Step 6: Final answer
    x = 8,811.07

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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.