Home / 13,866.19-20,799.28-3,477.94

Finding the Fourth Proportional to 13,866.19, 20,799.28 and 3,477.94

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Solution

The fourth proportional to 13,866.19, 20,799.28 and 3,477.94 is: 5,216.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,866.19 : 20,799.28 = 3,477.94 : x
  2. Step 2: Convert to fraction form
    13,866.19/20,799.28 = 3,477.94/x
  3. Step 3: Cross multiply
    13,866.19x = 20,799.28 × 3,477.94
  4. Step 4: Simplify right side
    13,866.19x = 72,338,600.23
  5. Step 5: Solve for x
    x = 72,338,600.23/13,866.19
  6. Step 6: Final answer
    x = 5,216.91

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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.