Home / 16,511.21-22,779.92-9,432.62

Finding the Fourth Proportional to 16,511.21, 22,779.92 and 9,432.62

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Solution

The fourth proportional to 16,511.21, 22,779.92 and 9,432.62 is: 13,013.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,511.21 : 22,779.92 = 9,432.62 : x
  2. Step 2: Convert to fraction form
    16,511.21/22,779.92 = 9,432.62/x
  3. Step 3: Cross multiply
    16,511.21x = 22,779.92 × 9,432.62
  4. Step 4: Simplify right side
    16,511.21x = 214,874,328.99
  5. Step 5: Solve for x
    x = 214,874,328.99/16,511.21
  6. Step 6: Final answer
    x = 13,013.85

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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.