Home / 9,670.24-14,507.40-3,431.20

Finding the Fourth Proportional to 9,670.24, 14,507.40 and 3,431.20

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Solution

The fourth proportional to 9,670.24, 14,507.40 and 3,431.20 is: 5,147.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,670.24 : 14,507.40 = 3,431.20 : x
  2. Step 2: Convert to fraction form
    9,670.24/14,507.40 = 3,431.20/x
  3. Step 3: Cross multiply
    9,670.24x = 14,507.40 × 3,431.20
  4. Step 4: Simplify right side
    9,670.24x = 49,777,790.88
  5. Step 5: Solve for x
    x = 49,777,790.88/9,670.24
  6. Step 6: Final answer
    x = 5,147.52

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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.