Home / 11,751.84-16,216.79-6,445.53

Finding the Fourth Proportional to 11,751.84, 16,216.79 and 6,445.53

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Solution

The fourth proportional to 11,751.84, 16,216.79 and 6,445.53 is: 8,894.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,751.84 : 16,216.79 = 6,445.53 : x
  2. Step 2: Convert to fraction form
    11,751.84/16,216.79 = 6,445.53/x
  3. Step 3: Cross multiply
    11,751.84x = 16,216.79 × 6,445.53
  4. Step 4: Simplify right side
    11,751.84x = 104,525,774.22
  5. Step 5: Solve for x
    x = 104,525,774.22/11,751.84
  6. Step 6: Final answer
    x = 8,894.42

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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.