Home / 13,977.84-20,957.48-5,538.76

Finding the Fourth Proportional to 13,977.84, 20,957.48 and 5,538.76

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Solution

The fourth proportional to 13,977.84, 20,957.48 and 5,538.76 is: 8,304.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,977.84 : 20,957.48 = 5,538.76 : x
  2. Step 2: Convert to fraction form
    13,977.84/20,957.48 = 5,538.76/x
  3. Step 3: Cross multiply
    13,977.84x = 20,957.48 × 5,538.76
  4. Step 4: Simplify right side
    13,977.84x = 116,078,451.92
  5. Step 5: Solve for x
    x = 116,078,451.92/13,977.84
  6. Step 6: Final answer
    x = 8,304.46

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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.