Home / 11,977.84-16,528.36-6,672.55

Finding the Fourth Proportional to 11,977.84, 16,528.36 and 6,672.55

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Solution

The fourth proportional to 11,977.84, 16,528.36 and 6,672.55 is: 9,207.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,977.84 : 16,528.36 = 6,672.55 : x
  2. Step 2: Convert to fraction form
    11,977.84/16,528.36 = 6,672.55/x
  3. Step 3: Cross multiply
    11,977.84x = 16,528.36 × 6,672.55
  4. Step 4: Simplify right side
    11,977.84x = 110,286,308.52
  5. Step 5: Solve for x
    x = 110,286,308.52/11,977.84
  6. Step 6: Final answer
    x = 9,207.53

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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.