Home / 11,215.99-16,825.45-3,818.46

Finding the Fourth Proportional to 11,215.99, 16,825.45 and 3,818.46

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Solution

The fourth proportional to 11,215.99, 16,825.45 and 3,818.46 is: 5,728.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,215.99 : 16,825.45 = 3,818.46 : x
  2. Step 2: Convert to fraction form
    11,215.99/16,825.45 = 3,818.46/x
  3. Step 3: Cross multiply
    11,215.99x = 16,825.45 × 3,818.46
  4. Step 4: Simplify right side
    11,215.99x = 64,247,307.81
  5. Step 5: Solve for x
    x = 64,247,307.81/11,215.99
  6. Step 6: Final answer
    x = 5,728.19

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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.