Home / 11,241.04-16,871.28-4,320.40

Finding the Fourth Proportional to 11,241.04, 16,871.28 and 4,320.40

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Solution

The fourth proportional to 11,241.04, 16,871.28 and 4,320.40 is: 6,484.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,241.04 : 16,871.28 = 4,320.40 : x
  2. Step 2: Convert to fraction form
    11,241.04/16,871.28 = 4,320.40/x
  3. Step 3: Cross multiply
    11,241.04x = 16,871.28 × 4,320.40
  4. Step 4: Simplify right side
    11,241.04x = 72,890,572.15
  5. Step 5: Solve for x
    x = 72,890,572.15/11,241.04
  6. Step 6: Final answer
    x = 6,484.33

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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.