Home / 19,670.07-27,145.01-10,717.57

Finding the Fourth Proportional to 19,670.07, 27,145.01 and 10,717.57

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Solution

The fourth proportional to 19,670.07, 27,145.01 and 10,717.57 is: 14,790.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,670.07 : 27,145.01 = 10,717.57 : x
  2. Step 2: Convert to fraction form
    19,670.07/27,145.01 = 10,717.57/x
  3. Step 3: Cross multiply
    19,670.07x = 27,145.01 × 10,717.57
  4. Step 4: Simplify right side
    19,670.07x = 290,928,544.83
  5. Step 5: Solve for x
    x = 290,928,544.83/19,670.07
  6. Step 6: Final answer
    x = 14,790.42

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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.