Home / 12,281.50-18,420.45-6,039.83

Finding the Fourth Proportional to 12,281.50, 18,420.45 and 6,039.83

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Solution

The fourth proportional to 12,281.50, 18,420.45 and 6,039.83 is: 9,058.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,281.50 : 18,420.45 = 6,039.83 : x
  2. Step 2: Convert to fraction form
    12,281.50/18,420.45 = 6,039.83/x
  3. Step 3: Cross multiply
    12,281.50x = 18,420.45 × 6,039.83
  4. Step 4: Simplify right side
    12,281.50x = 111,256,478.44
  5. Step 5: Solve for x
    x = 111,256,478.44/12,281.50
  6. Step 6: Final answer
    x = 9,058.87

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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.