Home / 19,370.35-28,982.19-11,477.10

Finding the Fourth Proportional to 19,370.35, 28,982.19 and 11,477.10

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Solution

The fourth proportional to 19,370.35, 28,982.19 and 11,477.10 is: 17,172.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,370.35 : 28,982.19 = 11,477.10 : x
  2. Step 2: Convert to fraction form
    19,370.35/28,982.19 = 11,477.10/x
  3. Step 3: Cross multiply
    19,370.35x = 28,982.19 × 11,477.10
  4. Step 4: Simplify right side
    19,370.35x = 332,631,492.85
  5. Step 5: Solve for x
    x = 332,631,492.85/19,370.35
  6. Step 6: Final answer
    x = 17,172.20

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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.