Home / 14,799.10-20,422.26-8,827.72

Finding the Fourth Proportional to 14,799.10, 20,422.26 and 8,827.72

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Solution

The fourth proportional to 14,799.10, 20,422.26 and 8,827.72 is: 12,181.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,799.10 : 20,422.26 = 8,827.72 : x
  2. Step 2: Convert to fraction form
    14,799.10/20,422.26 = 8,827.72/x
  3. Step 3: Cross multiply
    14,799.10x = 20,422.26 × 8,827.72
  4. Step 4: Simplify right side
    14,799.10x = 180,281,993.05
  5. Step 5: Solve for x
    x = 180,281,993.05/14,799.10
  6. Step 6: Final answer
    x = 12,181.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.