Home / 12,736.91-17,585.51-9,747.41

Finding the Fourth Proportional to 12,736.91, 17,585.51 and 9,747.41

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Solution

The fourth proportional to 12,736.91, 17,585.51 and 9,747.41 is: 13,457.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,736.91 : 17,585.51 = 9,747.41 : x
  2. Step 2: Convert to fraction form
    12,736.91/17,585.51 = 9,747.41/x
  3. Step 3: Cross multiply
    12,736.91x = 17,585.51 × 9,747.41
  4. Step 4: Simplify right side
    12,736.91x = 171,413,039.36
  5. Step 5: Solve for x
    x = 171,413,039.36/12,736.91
  6. Step 6: Final answer
    x = 13,457.97

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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.