Home / 10,845.72-16,245.81-6,894.99

Finding the Fourth Proportional to 10,845.72, 16,245.81 and 6,894.99

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Solution

The fourth proportional to 10,845.72, 16,245.81 and 6,894.99 is: 10,328.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,845.72 : 16,245.81 = 6,894.99 : x
  2. Step 2: Convert to fraction form
    10,845.72/16,245.81 = 6,894.99/x
  3. Step 3: Cross multiply
    10,845.72x = 16,245.81 × 6,894.99
  4. Step 4: Simplify right side
    10,845.72x = 112,014,697.49
  5. Step 5: Solve for x
    x = 112,014,697.49/10,845.72
  6. Step 6: Final answer
    x = 10,328.01

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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.