Home / 12,556.10-18,811.19-5,880.35

Finding the Fourth Proportional to 12,556.10, 18,811.19 and 5,880.35

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Solution

The fourth proportional to 12,556.10, 18,811.19 and 5,880.35 is: 8,809.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,556.10 : 18,811.19 = 5,880.35 : x
  2. Step 2: Convert to fraction form
    12,556.10/18,811.19 = 5,880.35/x
  3. Step 3: Cross multiply
    12,556.10x = 18,811.19 × 5,880.35
  4. Step 4: Simplify right side
    12,556.10x = 110,616,257.66
  5. Step 5: Solve for x
    x = 110,616,257.66/12,556.10
  6. Step 6: Final answer
    x = 8,809.77

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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.