Home / 11,320.92-16,969.20-6,941.32

Finding the Fourth Proportional to 11,320.92, 16,969.20 and 6,941.32

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Solution

The fourth proportional to 11,320.92, 16,969.20 and 6,941.32 is: 10,404.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,320.92 : 16,969.20 = 6,941.32 : x
  2. Step 2: Convert to fraction form
    11,320.92/16,969.20 = 6,941.32/x
  3. Step 3: Cross multiply
    11,320.92x = 16,969.20 × 6,941.32
  4. Step 4: Simplify right side
    11,320.92x = 117,788,647.34
  5. Step 5: Solve for x
    x = 117,788,647.34/11,320.92
  6. Step 6: Final answer
    x = 10,404.51

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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.