Home / 12,954.76-19,438.28-5,561.33

Finding the Fourth Proportional to 12,954.76, 19,438.28 and 5,561.33

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Solution

The fourth proportional to 12,954.76, 19,438.28 and 5,561.33 is: 8,344.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,954.76 : 19,438.28 = 5,561.33 : x
  2. Step 2: Convert to fraction form
    12,954.76/19,438.28 = 5,561.33/x
  3. Step 3: Cross multiply
    12,954.76x = 19,438.28 × 5,561.33
  4. Step 4: Simplify right side
    12,954.76x = 108,102,606.42
  5. Step 5: Solve for x
    x = 108,102,606.42/12,954.76
  6. Step 6: Final answer
    x = 8,344.63

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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.