Home / 10,349.37-15,525.68-3,422.25

Finding the Fourth Proportional to 10,349.37, 15,525.68 and 3,422.25

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Solution

The fourth proportional to 10,349.37, 15,525.68 and 3,422.25 is: 5,133.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,349.37 : 15,525.68 = 3,422.25 : x
  2. Step 2: Convert to fraction form
    10,349.37/15,525.68 = 3,422.25/x
  3. Step 3: Cross multiply
    10,349.37x = 15,525.68 × 3,422.25
  4. Step 4: Simplify right side
    10,349.37x = 53,132,741.27
  5. Step 5: Solve for x
    x = 53,132,741.27/10,349.37
  6. Step 6: Final answer
    x = 5,133.91

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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.