Home / 12,866.76-19,299.78-4,101.48

Finding the Fourth Proportional to 12,866.76, 19,299.78 and 4,101.48

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Solution

The fourth proportional to 12,866.76, 19,299.78 and 4,101.48 is: 6,152.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,866.76 : 19,299.78 = 4,101.48 : x
  2. Step 2: Convert to fraction form
    12,866.76/19,299.78 = 4,101.48/x
  3. Step 3: Cross multiply
    12,866.76x = 19,299.78 × 4,101.48
  4. Step 4: Simplify right side
    12,866.76x = 79,157,661.67
  5. Step 5: Solve for x
    x = 79,157,661.67/12,866.76
  6. Step 6: Final answer
    x = 6,152.11

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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.