Home / 10,680.09-14,723.69-9,203.73

Finding the Fourth Proportional to 10,680.09, 14,723.69 and 9,203.73

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Solution

The fourth proportional to 10,680.09, 14,723.69 and 9,203.73 is: 12,688.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,680.09 : 14,723.69 = 9,203.73 : x
  2. Step 2: Convert to fraction form
    10,680.09/14,723.69 = 9,203.73/x
  3. Step 3: Cross multiply
    10,680.09x = 14,723.69 × 9,203.73
  4. Step 4: Simplify right side
    10,680.09x = 135,512,867.36
  5. Step 5: Solve for x
    x = 135,512,867.36/10,680.09
  6. Step 6: Final answer
    x = 12,688.36

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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.