Home / 19,685.80-27,166.42-10,733.32

Finding the Fourth Proportional to 19,685.80, 27,166.42 and 10,733.32

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Solution

The fourth proportional to 19,685.80, 27,166.42 and 10,733.32 is: 14,811.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,685.80 : 27,166.42 = 10,733.32 : x
  2. Step 2: Convert to fraction form
    19,685.80/27,166.42 = 10,733.32/x
  3. Step 3: Cross multiply
    19,685.80x = 27,166.42 × 10,733.32
  4. Step 4: Simplify right side
    19,685.80x = 291,585,879.11
  5. Step 5: Solve for x
    x = 291,585,879.11/19,685.80
  6. Step 6: Final answer
    x = 14,811.99

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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.