Home / 20,374.72-30,554.57-7,044.34

Finding the Fourth Proportional to 20,374.72, 30,554.57 and 7,044.34

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Solution

The fourth proportional to 20,374.72, 30,554.57 and 7,044.34 is: 10,563.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,374.72 : 30,554.57 = 7,044.34 : x
  2. Step 2: Convert to fraction form
    20,374.72/30,554.57 = 7,044.34/x
  3. Step 3: Cross multiply
    20,374.72x = 30,554.57 × 7,044.34
  4. Step 4: Simplify right side
    20,374.72x = 215,236,744.41
  5. Step 5: Solve for x
    x = 215,236,744.41/20,374.72
  6. Step 6: Final answer
    x = 10,563.91

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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.