Home / 11,168.84-15,412.11-6,133.05

Finding the Fourth Proportional to 11,168.84, 15,412.11 and 6,133.05

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Solution

The fourth proportional to 11,168.84, 15,412.11 and 6,133.05 is: 8,463.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,168.84 : 15,412.11 = 6,133.05 : x
  2. Step 2: Convert to fraction form
    11,168.84/15,412.11 = 6,133.05/x
  3. Step 3: Cross multiply
    11,168.84x = 15,412.11 × 6,133.05
  4. Step 4: Simplify right side
    11,168.84x = 94,523,241.24
  5. Step 5: Solve for x
    x = 94,523,241.24/11,168.84
  6. Step 6: Final answer
    x = 8,463.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.