Home / 16,304.99-22,519.37-10,990.67

Finding the Fourth Proportional to 16,304.99, 22,519.37 and 10,990.67

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Solution

The fourth proportional to 16,304.99, 22,519.37 and 10,990.67 is: 15,179.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,304.99 : 22,519.37 = 10,990.67 : x
  2. Step 2: Convert to fraction form
    16,304.99/22,519.37 = 10,990.67/x
  3. Step 3: Cross multiply
    16,304.99x = 22,519.37 × 10,990.67
  4. Step 4: Simplify right side
    16,304.99x = 247,502,909.32
  5. Step 5: Solve for x
    x = 247,502,909.32/16,304.99
  6. Step 6: Final answer
    x = 15,179.58

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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.