Home / 10,900.15-16,354.85-4,241.30

Finding the Fourth Proportional to 10,900.15, 16,354.85 and 4,241.30

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Solution

The fourth proportional to 10,900.15, 16,354.85 and 4,241.30 is: 6,363.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,900.15 : 16,354.85 = 4,241.30 : x
  2. Step 2: Convert to fraction form
    10,900.15/16,354.85 = 4,241.30/x
  3. Step 3: Cross multiply
    10,900.15x = 16,354.85 × 4,241.30
  4. Step 4: Simplify right side
    10,900.15x = 69,365,722.32
  5. Step 5: Solve for x
    x = 69,365,722.32/10,900.15
  6. Step 6: Final answer
    x = 6,363.74

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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.