Home / 19,716.50-27,208.75-10,763.99

Finding the Fourth Proportional to 19,716.50, 27,208.75 and 10,763.99

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Solution

The fourth proportional to 19,716.50, 27,208.75 and 10,763.99 is: 14,854.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,716.50 : 27,208.75 = 10,763.99 : x
  2. Step 2: Convert to fraction form
    19,716.50/27,208.75 = 10,763.99/x
  3. Step 3: Cross multiply
    19,716.50x = 27,208.75 × 10,763.99
  4. Step 4: Simplify right side
    19,716.50x = 292,874,754.02
  5. Step 5: Solve for x
    x = 292,874,754.02/19,716.50
  6. Step 6: Final answer
    x = 14,854.30

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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.