Home / 11,895.71-16,415.53-6,518.12

Finding the Fourth Proportional to 11,895.71, 16,415.53 and 6,518.12

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Solution

The fourth proportional to 11,895.71, 16,415.53 and 6,518.12 is: 8,994.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,895.71 : 16,415.53 = 6,518.12 : x
  2. Step 2: Convert to fraction form
    11,895.71/16,415.53 = 6,518.12/x
  3. Step 3: Cross multiply
    11,895.71x = 16,415.53 × 6,518.12
  4. Step 4: Simplify right side
    11,895.71x = 106,998,296.03
  5. Step 5: Solve for x
    x = 106,998,296.03/11,895.71
  6. Step 6: Final answer
    x = 8,994.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.