Home / 19,653.33-27,120.69-10,700.81

Finding the Fourth Proportional to 19,653.33, 27,120.69 and 10,700.81

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Solution

The fourth proportional to 19,653.33, 27,120.69 and 10,700.81 is: 14,766.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,653.33 : 27,120.69 = 10,700.81 : x
  2. Step 2: Convert to fraction form
    19,653.33/27,120.69 = 10,700.81/x
  3. Step 3: Cross multiply
    19,653.33x = 27,120.69 × 10,700.81
  4. Step 4: Simplify right side
    19,653.33x = 290,213,215.16
  5. Step 5: Solve for x
    x = 290,213,215.16/19,653.33
  6. Step 6: Final answer
    x = 14,766.62

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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.