Home / 10,681.09-14,725.07-9,204.73

Finding the Fourth Proportional to 10,681.09, 14,725.07 and 9,204.73

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Solution

The fourth proportional to 10,681.09, 14,725.07 and 9,204.73 is: 12,689.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,681.09 : 14,725.07 = 9,204.73 : x
  2. Step 2: Convert to fraction form
    10,681.09/14,725.07 = 9,204.73/x
  3. Step 3: Cross multiply
    10,681.09x = 14,725.07 × 9,204.73
  4. Step 4: Simplify right side
    10,681.09x = 135,540,293.58
  5. Step 5: Solve for x
    x = 135,540,293.58/10,681.09
  6. Step 6: Final answer
    x = 12,689.74

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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.