Home / 12,554.76-18,838.26-5,161.44

Finding the Fourth Proportional to 12,554.76, 18,838.26 and 5,161.44

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Solution

The fourth proportional to 12,554.76, 18,838.26 and 5,161.44 is: 7,744.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,554.76 : 18,838.26 = 5,161.44 : x
  2. Step 2: Convert to fraction form
    12,554.76/18,838.26 = 5,161.44/x
  3. Step 3: Cross multiply
    12,554.76x = 18,838.26 × 5,161.44
  4. Step 4: Simplify right side
    12,554.76x = 97,232,548.69
  5. Step 5: Solve for x
    x = 97,232,548.69/12,554.76
  6. Step 6: Final answer
    x = 7,744.68

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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.