Home / 10,123.26-15,190.65-3,554.34

Finding the Fourth Proportional to 10,123.26, 15,190.65 and 3,554.34

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Solution

The fourth proportional to 10,123.26, 15,190.65 and 3,554.34 is: 5,333.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,123.26 : 15,190.65 = 3,554.34 : x
  2. Step 2: Convert to fraction form
    10,123.26/15,190.65 = 3,554.34/x
  3. Step 3: Cross multiply
    10,123.26x = 15,190.65 × 3,554.34
  4. Step 4: Simplify right side
    10,123.26x = 53,992,734.92
  5. Step 5: Solve for x
    x = 53,992,734.92/10,123.26
  6. Step 6: Final answer
    x = 5,333.53

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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.