Home / 11,176.84-16,765.30-5,315.72

Finding the Fourth Proportional to 11,176.84, 16,765.30 and 5,315.72

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Solution

The fourth proportional to 11,176.84, 16,765.30 and 5,315.72 is: 7,973.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,176.84 : 16,765.30 = 5,315.72 : x
  2. Step 2: Convert to fraction form
    11,176.84/16,765.30 = 5,315.72/x
  3. Step 3: Cross multiply
    11,176.84x = 16,765.30 × 5,315.72
  4. Step 4: Simplify right side
    11,176.84x = 89,119,640.52
  5. Step 5: Solve for x
    x = 89,119,640.52/11,176.84
  6. Step 6: Final answer
    x = 7,973.60

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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.