Home / 10,905.86-16,358.93-3,114.68

Finding the Fourth Proportional to 10,905.86, 16,358.93 and 3,114.68

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Solution

The fourth proportional to 10,905.86, 16,358.93 and 3,114.68 is: 4,672.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,905.86 : 16,358.93 = 3,114.68 : x
  2. Step 2: Convert to fraction form
    10,905.86/16,358.93 = 3,114.68/x
  3. Step 3: Cross multiply
    10,905.86x = 16,358.93 × 3,114.68
  4. Step 4: Simplify right side
    10,905.86x = 50,952,734.72
  5. Step 5: Solve for x
    x = 50,952,734.72/10,905.86
  6. Step 6: Final answer
    x = 4,672.05

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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.