Home / 11,323.19-16,981.03-5,396.76

Finding the Fourth Proportional to 11,323.19, 16,981.03 and 5,396.76

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Solution

The fourth proportional to 11,323.19, 16,981.03 and 5,396.76 is: 8,093.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,323.19 : 16,981.03 = 5,396.76 : x
  2. Step 2: Convert to fraction form
    11,323.19/16,981.03 = 5,396.76/x
  3. Step 3: Cross multiply
    11,323.19x = 16,981.03 × 5,396.76
  4. Step 4: Simplify right side
    11,323.19x = 91,642,614.26
  5. Step 5: Solve for x
    x = 91,642,614.26/11,323.19
  6. Step 6: Final answer
    x = 8,093.35

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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.