Home / 19,688.84-27,171.26-10,736.84

Finding the Fourth Proportional to 19,688.84, 27,171.26 and 10,736.84

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Solution

The fourth proportional to 19,688.84, 27,171.26 and 10,736.84 is: 14,817.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,688.84 : 27,171.26 = 10,736.84 : x
  2. Step 2: Convert to fraction form
    19,688.84/27,171.26 = 10,736.84/x
  3. Step 3: Cross multiply
    19,688.84x = 27,171.26 × 10,736.84
  4. Step 4: Simplify right side
    19,688.84x = 291,733,321.94
  5. Step 5: Solve for x
    x = 291,733,321.94/19,688.84
  6. Step 6: Final answer
    x = 14,817.19

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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.