Home / 19,666.33-27,139.84-10,713.83

Finding the Fourth Proportional to 19,666.33, 27,139.84 and 10,713.83

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Solution

The fourth proportional to 19,666.33, 27,139.84 and 10,713.83 is: 14,785.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,666.33 : 27,139.84 = 10,713.83 : x
  2. Step 2: Convert to fraction form
    19,666.33/27,139.84 = 10,713.83/x
  3. Step 3: Cross multiply
    19,666.33x = 27,139.84 × 10,713.83
  4. Step 4: Simplify right side
    19,666.33x = 290,771,469.50
  5. Step 5: Solve for x
    x = 290,771,469.50/19,666.33
  6. Step 6: Final answer
    x = 14,785.24

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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.