Home / 11,756.68-16,224.60-6,451.79

Finding the Fourth Proportional to 11,756.68, 16,224.60 and 6,451.79

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Solution

The fourth proportional to 11,756.68, 16,224.60 and 6,451.79 is: 8,903.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,756.68 : 16,224.60 = 6,451.79 : x
  2. Step 2: Convert to fraction form
    11,756.68/16,224.60 = 6,451.79/x
  3. Step 3: Cross multiply
    11,756.68x = 16,224.60 × 6,451.79
  4. Step 4: Simplify right side
    11,756.68x = 104,677,655.11
  5. Step 5: Solve for x
    x = 104,677,655.11/11,756.68
  6. Step 6: Final answer
    x = 8,903.68

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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.