Home / 10,529.58-15,771.33-6,416.94

Finding the Fourth Proportional to 10,529.58, 15,771.33 and 6,416.94

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Solution

The fourth proportional to 10,529.58, 15,771.33 and 6,416.94 is: 9,611.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,529.58 : 15,771.33 = 6,416.94 : x
  2. Step 2: Convert to fraction form
    10,529.58/15,771.33 = 6,416.94/x
  3. Step 3: Cross multiply
    10,529.58x = 15,771.33 × 6,416.94
  4. Step 4: Simplify right side
    10,529.58x = 101,203,678.33
  5. Step 5: Solve for x
    x = 101,203,678.33/10,529.58
  6. Step 6: Final answer
    x = 9,611.37

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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.