Home / 19,650.50-29,450.69-8,554.21

Finding the Fourth Proportional to 19,650.50, 29,450.69 and 8,554.21

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Solution

The fourth proportional to 19,650.50, 29,450.69 and 8,554.21 is: 12,820.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,650.50 : 29,450.69 = 8,554.21 : x
  2. Step 2: Convert to fraction form
    19,650.50/29,450.69 = 8,554.21/x
  3. Step 3: Cross multiply
    19,650.50x = 29,450.69 × 8,554.21
  4. Step 4: Simplify right side
    19,650.50x = 251,927,302.59
  5. Step 5: Solve for x
    x = 251,927,302.59/19,650.50
  6. Step 6: Final answer
    x = 12,820.40

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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.