Home / 10,897.58-16,346.36-3,106.39

Finding the Fourth Proportional to 10,897.58, 16,346.36 and 3,106.39

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Solution

The fourth proportional to 10,897.58, 16,346.36 and 3,106.39 is: 4,659.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,897.58 : 16,346.36 = 3,106.39 : x
  2. Step 2: Convert to fraction form
    10,897.58/16,346.36 = 3,106.39/x
  3. Step 3: Cross multiply
    10,897.58x = 16,346.36 × 3,106.39
  4. Step 4: Simplify right side
    10,897.58x = 50,778,136.14
  5. Step 5: Solve for x
    x = 50,778,136.14/10,897.58
  6. Step 6: Final answer
    x = 4,659.58

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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.