Home / 16,388.40-24,582.60-13,666.80

Finding the Fourth Proportional to 16,388.40, 24,582.60 and 13,666.80

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Solution

The fourth proportional to 16,388.40, 24,582.60 and 13,666.80 is: 20,500.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,388.40 : 24,582.60 = 13,666.80 : x
  2. Step 2: Convert to fraction form
    16,388.40/24,582.60 = 13,666.80/x
  3. Step 3: Cross multiply
    16,388.40x = 24,582.60 × 13,666.80
  4. Step 4: Simplify right side
    16,388.40x = 335,965,477.68
  5. Step 5: Solve for x
    x = 335,965,477.68/16,388.40
  6. Step 6: Final answer
    x = 20,500.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.