Home / 18,832.59-28,216.98-12,503.05

Finding the Fourth Proportional to 18,832.59, 28,216.98 and 12,503.05

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Solution

The fourth proportional to 18,832.59, 28,216.98 and 12,503.05 is: 18,733.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,832.59 : 28,216.98 = 12,503.05 : x
  2. Step 2: Convert to fraction form
    18,832.59/28,216.98 = 12,503.05/x
  3. Step 3: Cross multiply
    18,832.59x = 28,216.98 × 12,503.05
  4. Step 4: Simplify right side
    18,832.59x = 352,798,311.79
  5. Step 5: Solve for x
    x = 352,798,311.79/18,832.59
  6. Step 6: Final answer
    x = 18,733.39

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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.