Home / 11,102.04-16,643.16-4,080.42

Finding the Fourth Proportional to 11,102.04, 16,643.16 and 4,080.42

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Solution

The fourth proportional to 11,102.04, 16,643.16 and 4,080.42 is: 6,116.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,102.04 : 16,643.16 = 4,080.42 : x
  2. Step 2: Convert to fraction form
    11,102.04/16,643.16 = 4,080.42/x
  3. Step 3: Cross multiply
    11,102.04x = 16,643.16 × 4,080.42
  4. Step 4: Simplify right side
    11,102.04x = 67,911,082.93
  5. Step 5: Solve for x
    x = 67,911,082.93/11,102.04
  6. Step 6: Final answer
    x = 6,116.99

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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.