Home / 16,662.60-22,983.70-13,124.36

Finding the Fourth Proportional to 16,662.60, 22,983.70 and 13,124.36

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Solution

The fourth proportional to 16,662.60, 22,983.70 and 13,124.36 is: 18,103.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,662.60 : 22,983.70 = 13,124.36 : x
  2. Step 2: Convert to fraction form
    16,662.60/22,983.70 = 13,124.36/x
  3. Step 3: Cross multiply
    16,662.60x = 22,983.70 × 13,124.36
  4. Step 4: Simplify right side
    16,662.60x = 301,646,352.93
  5. Step 5: Solve for x
    x = 301,646,352.93/16,662.60
  6. Step 6: Final answer
    x = 18,103.20

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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.