Home / 11,421.16-17,130.30-3,630.04

Finding the Fourth Proportional to 11,421.16, 17,130.30 and 3,630.04

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Solution

The fourth proportional to 11,421.16, 17,130.30 and 3,630.04 is: 5,444.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,421.16 : 17,130.30 = 3,630.04 : x
  2. Step 2: Convert to fraction form
    11,421.16/17,130.30 = 3,630.04/x
  3. Step 3: Cross multiply
    11,421.16x = 17,130.30 × 3,630.04
  4. Step 4: Simplify right side
    11,421.16x = 62,183,674.21
  5. Step 5: Solve for x
    x = 62,183,674.21/11,421.16
  6. Step 6: Final answer
    x = 5,444.60

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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.