Home / 19,687.84-27,168.62-10,735.52

Finding the Fourth Proportional to 19,687.84, 27,168.62 and 10,735.52

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Solution

The fourth proportional to 19,687.84, 27,168.62 and 10,735.52 is: 14,814.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,687.84 : 27,168.62 = 10,735.52 : x
  2. Step 2: Convert to fraction form
    19,687.84/27,168.62 = 10,735.52/x
  3. Step 3: Cross multiply
    19,687.84x = 27,168.62 × 10,735.52
  4. Step 4: Simplify right side
    19,687.84x = 291,669,263.38
  5. Step 5: Solve for x
    x = 291,669,263.38/19,687.84
  6. Step 6: Final answer
    x = 14,814.69

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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.