Home / 10,700.12-16,056.66-4,130.84

Finding the Fourth Proportional to 10,700.12, 16,056.66 and 4,130.84

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Solution

The fourth proportional to 10,700.12, 16,056.66 and 4,130.84 is: 6,198.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,700.12 : 16,056.66 = 4,130.84 : x
  2. Step 2: Convert to fraction form
    10,700.12/16,056.66 = 4,130.84/x
  3. Step 3: Cross multiply
    10,700.12x = 16,056.66 × 4,130.84
  4. Step 4: Simplify right side
    10,700.12x = 66,327,493.39
  5. Step 5: Solve for x
    x = 66,327,493.39/10,700.12
  6. Step 6: Final answer
    x = 6,198.76

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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.