Home / 12,556.84-18,838.41-8,866.27

Finding the Fourth Proportional to 12,556.84, 18,838.41 and 8,866.27

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Solution

The fourth proportional to 12,556.84, 18,838.41 and 8,866.27 is: 13,301.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,556.84 : 18,838.41 = 8,866.27 : x
  2. Step 2: Convert to fraction form
    12,556.84/18,838.41 = 8,866.27/x
  3. Step 3: Cross multiply
    12,556.84x = 18,838.41 × 8,866.27
  4. Step 4: Simplify right side
    12,556.84x = 167,026,429.43
  5. Step 5: Solve for x
    x = 167,026,429.43/12,556.84
  6. Step 6: Final answer
    x = 13,301.63

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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.