Home / 16,215.80-22,367.14-11,180.23

Finding the Fourth Proportional to 16,215.80, 22,367.14 and 11,180.23

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Solution

The fourth proportional to 16,215.80, 22,367.14 and 11,180.23 is: 15,421.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,215.80 : 22,367.14 = 11,180.23 : x
  2. Step 2: Convert to fraction form
    16,215.80/22,367.14 = 11,180.23/x
  3. Step 3: Cross multiply
    16,215.80x = 22,367.14 × 11,180.23
  4. Step 4: Simplify right side
    16,215.80x = 250,069,685.77
  5. Step 5: Solve for x
    x = 250,069,685.77/16,215.80
  6. Step 6: Final answer
    x = 15,421.36

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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.