Home / 19,670.32-27,145.35-10,717.82

Finding the Fourth Proportional to 19,670.32, 27,145.35 and 10,717.82

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Solution

The fourth proportional to 19,670.32, 27,145.35 and 10,717.82 is: 14,790.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,670.32 : 27,145.35 = 10,717.82 : x
  2. Step 2: Convert to fraction form
    19,670.32/27,145.35 = 10,717.82/x
  3. Step 3: Cross multiply
    19,670.32x = 27,145.35 × 10,717.82
  4. Step 4: Simplify right side
    19,670.32x = 290,938,975.14
  5. Step 5: Solve for x
    x = 290,938,975.14/19,670.32
  6. Step 6: Final answer
    x = 14,790.76

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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.