Home / 20,154.14-30,216.76-9,474.52

Finding the Fourth Proportional to 20,154.14, 30,216.76 and 9,474.52

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Solution

The fourth proportional to 20,154.14, 30,216.76 and 9,474.52 is: 14,204.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,154.14 : 30,216.76 = 9,474.52 : x
  2. Step 2: Convert to fraction form
    20,154.14/30,216.76 = 9,474.52/x
  3. Step 3: Cross multiply
    20,154.14x = 30,216.76 × 9,474.52
  4. Step 4: Simplify right side
    20,154.14x = 286,289,296.96
  5. Step 5: Solve for x
    x = 286,289,296.96/20,154.14
  6. Step 6: Final answer
    x = 14,204.99

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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.