Home / 19,857.99-27,404.76-10,906.32

Finding the Fourth Proportional to 19,857.99, 27,404.76 and 10,906.32

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Solution

The fourth proportional to 19,857.99, 27,404.76 and 10,906.32 is: 15,051.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,857.99 : 27,404.76 = 10,906.32 : x
  2. Step 2: Convert to fraction form
    19,857.99/27,404.76 = 10,906.32/x
  3. Step 3: Cross multiply
    19,857.99x = 27,404.76 × 10,906.32
  4. Step 4: Simplify right side
    19,857.99x = 298,885,082.08
  5. Step 5: Solve for x
    x = 298,885,082.08/19,857.99
  6. Step 6: Final answer
    x = 15,051.12

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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.