Home / 10,902.36-16,347.06-3,968.76

Finding the Fourth Proportional to 10,902.36, 16,347.06 and 3,968.76

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Solution

The fourth proportional to 10,902.36, 16,347.06 and 3,968.76 is: 5,950.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,902.36 : 16,347.06 = 3,968.76 : x
  2. Step 2: Convert to fraction form
    10,902.36/16,347.06 = 3,968.76/x
  3. Step 3: Cross multiply
    10,902.36x = 16,347.06 × 3,968.76
  4. Step 4: Simplify right side
    10,902.36x = 64,877,557.85
  5. Step 5: Solve for x
    x = 64,877,557.85/10,902.36
  6. Step 6: Final answer
    x = 5,950.78

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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.