Home / 10,954.71-16,421.13-5,399.73

Finding the Fourth Proportional to 10,954.71, 16,421.13 and 5,399.73

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Solution

The fourth proportional to 10,954.71, 16,421.13 and 5,399.73 is: 8,094.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,954.71 : 16,421.13 = 5,399.73 : x
  2. Step 2: Convert to fraction form
    10,954.71/16,421.13 = 5,399.73/x
  3. Step 3: Cross multiply
    10,954.71x = 16,421.13 × 5,399.73
  4. Step 4: Simplify right side
    10,954.71x = 88,669,668.29
  5. Step 5: Solve for x
    x = 88,669,668.29/10,954.71
  6. Step 6: Final answer
    x = 8,094.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.