Home / 10,330.44-15,465.12-6,813.96

Finding the Fourth Proportional to 10,330.44, 15,465.12 and 6,813.96

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Solution

The fourth proportional to 10,330.44, 15,465.12 and 6,813.96 is: 10,200.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,330.44 : 15,465.12 = 6,813.96 : x
  2. Step 2: Convert to fraction form
    10,330.44/15,465.12 = 6,813.96/x
  3. Step 3: Cross multiply
    10,330.44x = 15,465.12 × 6,813.96
  4. Step 4: Simplify right side
    10,330.44x = 105,378,709.08
  5. Step 5: Solve for x
    x = 105,378,709.08/10,330.44
  6. Step 6: Final answer
    x = 10,200.80

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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.