Home / 12,353.80-18,528.22-4,456.09

Finding the Fourth Proportional to 12,353.80, 18,528.22 and 4,456.09

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Solution

The fourth proportional to 12,353.80, 18,528.22 and 4,456.09 is: 6,683.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,353.80 : 18,528.22 = 4,456.09 : x
  2. Step 2: Convert to fraction form
    12,353.80/18,528.22 = 4,456.09/x
  3. Step 3: Cross multiply
    12,353.80x = 18,528.22 × 4,456.09
  4. Step 4: Simplify right side
    12,353.80x = 82,563,415.86
  5. Step 5: Solve for x
    x = 82,563,415.86/12,353.80
  6. Step 6: Final answer
    x = 6,683.24

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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.