Home / 10,923.20-16,384.80-6,257.60

Finding the Fourth Proportional to 10,923.20, 16,384.80 and 6,257.60

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Solution

The fourth proportional to 10,923.20, 16,384.80 and 6,257.60 is: 9,386.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,923.20 : 16,384.80 = 6,257.60 : x
  2. Step 2: Convert to fraction form
    10,923.20/16,384.80 = 6,257.60/x
  3. Step 3: Cross multiply
    10,923.20x = 16,384.80 × 6,257.60
  4. Step 4: Simplify right side
    10,923.20x = 102,529,524.48
  5. Step 5: Solve for x
    x = 102,529,524.48/10,923.20
  6. Step 6: Final answer
    x = 9,386.40

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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.