Home / 11,421.38-17,134.58-4,853.18

Finding the Fourth Proportional to 11,421.38, 17,134.58 and 4,853.18

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Solution

The fourth proportional to 11,421.38, 17,134.58 and 4,853.18 is: 7,280.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,421.38 : 17,134.58 = 4,853.18 : x
  2. Step 2: Convert to fraction form
    11,421.38/17,134.58 = 4,853.18/x
  3. Step 3: Cross multiply
    11,421.38x = 17,134.58 × 4,853.18
  4. Step 4: Simplify right side
    11,421.38x = 83,157,127.42
  5. Step 5: Solve for x
    x = 83,157,127.42/11,421.38
  6. Step 6: Final answer
    x = 7,280.83

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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.