Home / 10,811.55-14,915.26-6,775.93

Finding the Fourth Proportional to 10,811.55, 14,915.26 and 6,775.93

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Solution

The fourth proportional to 10,811.55, 14,915.26 and 6,775.93 is: 9,347.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,811.55 : 14,915.26 = 6,775.93 : x
  2. Step 2: Convert to fraction form
    10,811.55/14,915.26 = 6,775.93/x
  3. Step 3: Cross multiply
    10,811.55x = 14,915.26 × 6,775.93
  4. Step 4: Simplify right side
    10,811.55x = 101,064,757.69
  5. Step 5: Solve for x
    x = 101,064,757.69/10,811.55
  6. Step 6: Final answer
    x = 9,347.85

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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.