Home / 19,720.33-27,214.11-10,767.85

Finding the Fourth Proportional to 19,720.33, 27,214.11 and 10,767.85

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Solution

The fourth proportional to 19,720.33, 27,214.11 and 10,767.85 is: 14,859.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,720.33 : 27,214.11 = 10,767.85 : x
  2. Step 2: Convert to fraction form
    19,720.33/27,214.11 = 10,767.85/x
  3. Step 3: Cross multiply
    19,720.33x = 27,214.11 × 10,767.85
  4. Step 4: Simplify right side
    19,720.33x = 293,037,400.52
  5. Step 5: Solve for x
    x = 293,037,400.52/19,720.33
  6. Step 6: Final answer
    x = 14,859.66

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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.