Home / 10,870.03-16,308.30-6,249.79

Finding the Fourth Proportional to 10,870.03, 16,308.30 and 6,249.79

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Solution

The fourth proportional to 10,870.03, 16,308.30 and 6,249.79 is: 9,376.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,870.03 : 16,308.30 = 6,249.79 : x
  2. Step 2: Convert to fraction form
    10,870.03/16,308.30 = 6,249.79/x
  3. Step 3: Cross multiply
    10,870.03x = 16,308.30 × 6,249.79
  4. Step 4: Simplify right side
    10,870.03x = 101,923,491.03
  5. Step 5: Solve for x
    x = 101,923,491.03/10,870.03
  6. Step 6: Final answer
    x = 9,376.56

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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.