Home / 19,813.05-27,341.97-10,860.56

Finding the Fourth Proportional to 19,813.05, 27,341.97 and 10,860.56

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Solution

The fourth proportional to 19,813.05, 27,341.97 and 10,860.56 is: 14,987.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,813.05 : 27,341.97 = 10,860.56 : x
  2. Step 2: Convert to fraction form
    19,813.05/27,341.97 = 10,860.56/x
  3. Step 3: Cross multiply
    19,813.05x = 27,341.97 × 10,860.56
  4. Step 4: Simplify right side
    19,813.05x = 296,948,968.99
  5. Step 5: Solve for x
    x = 296,948,968.99/19,813.05
  6. Step 6: Final answer
    x = 14,987.54

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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.