Home / 18,703.37-28,059.68-5,555.72

Finding the Fourth Proportional to 18,703.37, 28,059.68 and 5,555.72

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Solution

The fourth proportional to 18,703.37, 28,059.68 and 5,555.72 is: 8,334.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,703.37 : 28,059.68 = 5,555.72 : x
  2. Step 2: Convert to fraction form
    18,703.37/28,059.68 = 5,555.72/x
  3. Step 3: Cross multiply
    18,703.37x = 28,059.68 × 5,555.72
  4. Step 4: Simplify right side
    18,703.37x = 155,891,809.41
  5. Step 5: Solve for x
    x = 155,891,809.41/18,703.37
  6. Step 6: Final answer
    x = 8,334.96

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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.