Home / 9,337.14-12,885.24-5,145.36

Finding the Fourth Proportional to 9,337.14, 12,885.24 and 5,145.36

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Solution

The fourth proportional to 9,337.14, 12,885.24 and 5,145.36 is: 7,100.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,337.14 : 12,885.24 = 5,145.36 : x
  2. Step 2: Convert to fraction form
    9,337.14/12,885.24 = 5,145.36/x
  3. Step 3: Cross multiply
    9,337.14x = 12,885.24 × 5,145.36
  4. Step 4: Simplify right side
    9,337.14x = 66,299,198.49
  5. Step 5: Solve for x
    x = 66,299,198.49/9,337.14
  6. Step 6: Final answer
    x = 7,100.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.