Home / 18,674.58-28,002.15-5,525.18

Finding the Fourth Proportional to 18,674.58, 28,002.15 and 5,525.18

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Solution

The fourth proportional to 18,674.58, 28,002.15 and 5,525.18 is: 8,284.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,674.58 : 28,002.15 = 5,525.18 : x
  2. Step 2: Convert to fraction form
    18,674.58/28,002.15 = 5,525.18/x
  3. Step 3: Cross multiply
    18,674.58x = 28,002.15 × 5,525.18
  4. Step 4: Simplify right side
    18,674.58x = 154,716,779.13
  5. Step 5: Solve for x
    x = 154,716,779.13/18,674.58
  6. Step 6: Final answer
    x = 8,284.89

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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.