Home / 19,670.36-27,145.24-10,718.10

Finding the Fourth Proportional to 19,670.36, 27,145.24 and 10,718.10

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Solution

The fourth proportional to 19,670.36, 27,145.24 and 10,718.10 is: 14,791.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,670.36 : 27,145.24 = 10,718.10 : x
  2. Step 2: Convert to fraction form
    19,670.36/27,145.24 = 10,718.10/x
  3. Step 3: Cross multiply
    19,670.36x = 27,145.24 × 10,718.10
  4. Step 4: Simplify right side
    19,670.36x = 290,945,370.05
  5. Step 5: Solve for x
    x = 290,945,370.05/19,670.36
  6. Step 6: Final answer
    x = 14,791.06

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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.