Home / 16,315.87-22,505.35-11,208.95

Finding the Fourth Proportional to 16,315.87, 22,505.35 and 11,208.95

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Solution

The fourth proportional to 16,315.87, 22,505.35 and 11,208.95 is: 15,461.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,315.87 : 22,505.35 = 11,208.95 : x
  2. Step 2: Convert to fraction form
    16,315.87/22,505.35 = 11,208.95/x
  3. Step 3: Cross multiply
    16,315.87x = 22,505.35 × 11,208.95
  4. Step 4: Simplify right side
    16,315.87x = 252,261,342.88
  5. Step 5: Solve for x
    x = 252,261,342.88/16,315.87
  6. Step 6: Final answer
    x = 15,461.10

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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.