Home / 16,621.28-22,940.35-9,907.35

Finding the Fourth Proportional to 16,621.28, 22,940.35 and 9,907.35

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Solution

The fourth proportional to 16,621.28, 22,940.35 and 9,907.35 is: 13,673.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,621.28 : 22,940.35 = 9,907.35 : x
  2. Step 2: Convert to fraction form
    16,621.28/22,940.35 = 9,907.35/x
  3. Step 3: Cross multiply
    16,621.28x = 22,940.35 × 9,907.35
  4. Step 4: Simplify right side
    16,621.28x = 227,277,965.78
  5. Step 5: Solve for x
    x = 227,277,965.78/16,621.28
  6. Step 6: Final answer
    x = 13,673.91

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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.