Home / 14,779.32-22,178.68-8,456.44

Finding the Fourth Proportional to 14,779.32, 22,178.68 and 8,456.44

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Solution

The fourth proportional to 14,779.32, 22,178.68 and 8,456.44 is: 12,690.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,779.32 : 22,178.68 = 8,456.44 : x
  2. Step 2: Convert to fraction form
    14,779.32/22,178.68 = 8,456.44/x
  3. Step 3: Cross multiply
    14,779.32x = 22,178.68 × 8,456.44
  4. Step 4: Simplify right side
    14,779.32x = 187,552,676.70
  5. Step 5: Solve for x
    x = 187,552,676.70/14,779.32
  6. Step 6: Final answer
    x = 12,690.21

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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.