Home / 16,621.60-22,946.28-12,836.27

Finding the Fourth Proportional to 16,621.60, 22,946.28 and 12,836.27

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Solution

The fourth proportional to 16,621.60, 22,946.28 and 12,836.27 is: 17,720.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,621.60 : 22,946.28 = 12,836.27 : x
  2. Step 2: Convert to fraction form
    16,621.60/22,946.28 = 12,836.27/x
  3. Step 3: Cross multiply
    16,621.60x = 22,946.28 × 12,836.27
  4. Step 4: Simplify right side
    16,621.60x = 294,544,645.58
  5. Step 5: Solve for x
    x = 294,544,645.58/16,621.60
  6. Step 6: Final answer
    x = 17,720.60

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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.