Home / 10,716.36-16,074.54-5,518.68

Finding the Fourth Proportional to 10,716.36, 16,074.54 and 5,518.68

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Solution

The fourth proportional to 10,716.36, 16,074.54 and 5,518.68 is: 8,278.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,716.36 : 16,074.54 = 5,518.68 : x
  2. Step 2: Convert to fraction form
    10,716.36/16,074.54 = 5,518.68/x
  3. Step 3: Cross multiply
    10,716.36x = 16,074.54 × 5,518.68
  4. Step 4: Simplify right side
    10,716.36x = 88,710,242.41
  5. Step 5: Solve for x
    x = 88,710,242.41/10,716.36
  6. Step 6: Final answer
    x = 8,278.02

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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.