Home / 19,668.41-27,141.56-10,715.99

Finding the Fourth Proportional to 19,668.41, 27,141.56 and 10,715.99

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Solution

The fourth proportional to 19,668.41, 27,141.56 and 10,715.99 is: 14,787.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,668.41 : 27,141.56 = 10,715.99 : x
  2. Step 2: Convert to fraction form
    19,668.41/27,141.56 = 10,715.99/x
  3. Step 3: Cross multiply
    19,668.41x = 27,141.56 × 10,715.99
  4. Step 4: Simplify right side
    19,668.41x = 290,848,536.44
  5. Step 5: Solve for x
    x = 290,848,536.44/19,668.41
  6. Step 6: Final answer
    x = 14,787.60

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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.