Home / 10,847.15-16,276.17-4,278.05

Finding the Fourth Proportional to 10,847.15, 16,276.17 and 4,278.05

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Solution

The fourth proportional to 10,847.15, 16,276.17 and 4,278.05 is: 6,419.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,847.15 : 16,276.17 = 4,278.05 : x
  2. Step 2: Convert to fraction form
    10,847.15/16,276.17 = 4,278.05/x
  3. Step 3: Cross multiply
    10,847.15x = 16,276.17 × 4,278.05
  4. Step 4: Simplify right side
    10,847.15x = 69,630,269.07
  5. Step 5: Solve for x
    x = 69,630,269.07/10,847.15
  6. Step 6: Final answer
    x = 6,419.22

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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.