Home / 16,118.40-24,145.20-10,869.60

Finding the Fourth Proportional to 16,118.40, 24,145.20 and 10,869.60

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Solution

The fourth proportional to 16,118.40, 24,145.20 and 10,869.60 is: 16,282.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,118.40 : 24,145.20 = 10,869.60 : x
  2. Step 2: Convert to fraction form
    16,118.40/24,145.20 = 10,869.60/x
  3. Step 3: Cross multiply
    16,118.40x = 24,145.20 × 10,869.60
  4. Step 4: Simplify right side
    16,118.40x = 262,448,665.92
  5. Step 5: Solve for x
    x = 262,448,665.92/16,118.40
  6. Step 6: Final answer
    x = 16,282.55

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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.