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Finding the Fourth Proportional to 10,685.95, 16,015.04 and 4,353.44

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Solution

The fourth proportional to 10,685.95, 16,015.04 and 4,353.44 is: 6,524.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,685.95 : 16,015.04 = 4,353.44 : x
  2. Step 2: Convert to fraction form
    10,685.95/16,015.04 = 4,353.44/x
  3. Step 3: Cross multiply
    10,685.95x = 16,015.04 × 4,353.44
  4. Step 4: Simplify right side
    10,685.95x = 69,720,515.74
  5. Step 5: Solve for x
    x = 69,720,515.74/10,685.95
  6. Step 6: Final answer
    x = 6,524.50

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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.