Home / 19,670.47-27,145.56-10,717.97

Finding the Fourth Proportional to 19,670.47, 27,145.56 and 10,717.97

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Solution

The fourth proportional to 19,670.47, 27,145.56 and 10,717.97 is: 14,790.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,670.47 : 27,145.56 = 10,717.97 : x
  2. Step 2: Convert to fraction form
    19,670.47/27,145.56 = 10,717.97/x
  3. Step 3: Cross multiply
    19,670.47x = 27,145.56 × 10,717.97
  4. Step 4: Simplify right side
    19,670.47x = 290,945,297.71
  5. Step 5: Solve for x
    x = 290,945,297.71/19,670.47
  6. Step 6: Final answer
    x = 14,790.97

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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.