Home / 18,882.02-28,325.34-6,405.62

Finding the Fourth Proportional to 18,882.02, 28,325.34 and 6,405.62

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Solution

The fourth proportional to 18,882.02, 28,325.34 and 6,405.62 is: 9,609.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,882.02 : 28,325.34 = 6,405.62 : x
  2. Step 2: Convert to fraction form
    18,882.02/28,325.34 = 6,405.62/x
  3. Step 3: Cross multiply
    18,882.02x = 28,325.34 × 6,405.62
  4. Step 4: Simplify right side
    18,882.02x = 181,441,353.03
  5. Step 5: Solve for x
    x = 181,441,353.03/18,882.02
  6. Step 6: Final answer
    x = 9,609.21

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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.