Home / 18,983.28-28,477.65-5,836.76

Finding the Fourth Proportional to 18,983.28, 28,477.65 and 5,836.76

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Solution

The fourth proportional to 18,983.28, 28,477.65 and 5,836.76 is: 8,755.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,983.28 : 28,477.65 = 5,836.76 : x
  2. Step 2: Convert to fraction form
    18,983.28/28,477.65 = 5,836.76/x
  3. Step 3: Cross multiply
    18,983.28x = 28,477.65 × 5,836.76
  4. Step 4: Simplify right side
    18,983.28x = 166,217,208.41
  5. Step 5: Solve for x
    x = 166,217,208.41/18,983.28
  6. Step 6: Final answer
    x = 8,755.98

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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.