Home / 19,668.32-27,142-10,836.32

Finding the Fourth Proportional to 19,668.32, 27,142 and 10,836.32

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Solution

The fourth proportional to 19,668.32, 27,142 and 10,836.32 is: 14,953.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,668.32 : 27,142 = 10,836.32 : x
  2. Step 2: Convert to fraction form
    19,668.32/27,142 = 10,836.32/x
  3. Step 3: Cross multiply
    19,668.32x = 27,142 × 10,836.32
  4. Step 4: Simplify right side
    19,668.32x = 294,119,397.44
  5. Step 5: Solve for x
    x = 294,119,397.44/19,668.32
  6. Step 6: Final answer
    x = 14,953.97

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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.