Home / 17,188.76-25,779.02-12,563.25

Finding the Fourth Proportional to 17,188.76, 25,779.02 and 12,563.25

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Solution

The fourth proportional to 17,188.76, 25,779.02 and 12,563.25 is: 18,841.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,188.76 : 25,779.02 = 12,563.25 : x
  2. Step 2: Convert to fraction form
    17,188.76/25,779.02 = 12,563.25/x
  3. Step 3: Cross multiply
    17,188.76x = 25,779.02 × 12,563.25
  4. Step 4: Simplify right side
    17,188.76x = 323,868,210.20
  5. Step 5: Solve for x
    x = 323,868,210.20/17,188.76
  6. Step 6: Final answer
    x = 18,841.87

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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.