Home / 10,350.40-15,525.58-3,424.90

Finding the Fourth Proportional to 10,350.40, 15,525.58 and 3,424.90

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Solution

The fourth proportional to 10,350.40, 15,525.58 and 3,424.90 is: 5,137.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,350.40 : 15,525.58 = 3,424.90 : x
  2. Step 2: Convert to fraction form
    10,350.40/15,525.58 = 3,424.90/x
  3. Step 3: Cross multiply
    10,350.40x = 15,525.58 × 3,424.90
  4. Step 4: Simplify right side
    10,350.40x = 53,173,558.94
  5. Step 5: Solve for x
    x = 53,173,558.94/10,350.40
  6. Step 6: Final answer
    x = 5,137.34

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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.