Home / 11,895.50-16,415.55-6,859.94

Finding the Fourth Proportional to 11,895.50, 16,415.55 and 6,859.94

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Solution

The fourth proportional to 11,895.50, 16,415.55 and 6,859.94 is: 9,466.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,895.50 : 16,415.55 = 6,859.94 : x
  2. Step 2: Convert to fraction form
    11,895.50/16,415.55 = 6,859.94/x
  3. Step 3: Cross multiply
    11,895.50x = 16,415.55 × 6,859.94
  4. Step 4: Simplify right side
    11,895.50x = 112,609,688.07
  5. Step 5: Solve for x
    x = 112,609,688.07/11,895.50
  6. Step 6: Final answer
    x = 9,466.58

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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.