Home / 12,119.10-16,723.53-6,814.74

Finding the Fourth Proportional to 12,119.10, 16,723.53 and 6,814.74

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Solution

The fourth proportional to 12,119.10, 16,723.53 and 6,814.74 is: 9,403.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,119.10 : 16,723.53 = 6,814.74 : x
  2. Step 2: Convert to fraction form
    12,119.10/16,723.53 = 6,814.74/x
  3. Step 3: Cross multiply
    12,119.10x = 16,723.53 × 6,814.74
  4. Step 4: Simplify right side
    12,119.10x = 113,966,508.83
  5. Step 5: Solve for x
    x = 113,966,508.83/12,119.10
  6. Step 6: Final answer
    x = 9,403.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.