Home / 19,687.72-27,169.26-10,735.24

Finding the Fourth Proportional to 19,687.72, 27,169.26 and 10,735.24

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Solution

The fourth proportional to 19,687.72, 27,169.26 and 10,735.24 is: 14,814.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,687.72 : 27,169.26 = 10,735.24 : x
  2. Step 2: Convert to fraction form
    19,687.72/27,169.26 = 10,735.24/x
  3. Step 3: Cross multiply
    19,687.72x = 27,169.26 × 10,735.24
  4. Step 4: Simplify right side
    19,687.72x = 291,668,526.72
  5. Step 5: Solve for x
    x = 291,668,526.72/19,687.72
  6. Step 6: Final answer
    x = 14,814.74

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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.