Home / 10,447.36-14,405.04-8,451.76

Finding the Fourth Proportional to 10,447.36, 14,405.04 and 8,451.76

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Solution

The fourth proportional to 10,447.36, 14,405.04 and 8,451.76 is: 11,653.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,447.36 : 14,405.04 = 8,451.76 : x
  2. Step 2: Convert to fraction form
    10,447.36/14,405.04 = 8,451.76/x
  3. Step 3: Cross multiply
    10,447.36x = 14,405.04 × 8,451.76
  4. Step 4: Simplify right side
    10,447.36x = 121,747,940.87
  5. Step 5: Solve for x
    x = 121,747,940.87/10,447.36
  6. Step 6: Final answer
    x = 11,653.46

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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.