Home / 15,145.34-22,702.01-5,779.31

Finding the Fourth Proportional to 15,145.34, 22,702.01 and 5,779.31

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Solution

The fourth proportional to 15,145.34, 22,702.01 and 5,779.31 is: 8,662.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,145.34 : 22,702.01 = 5,779.31 : x
  2. Step 2: Convert to fraction form
    15,145.34/22,702.01 = 5,779.31/x
  3. Step 3: Cross multiply
    15,145.34x = 22,702.01 × 5,779.31
  4. Step 4: Simplify right side
    15,145.34x = 131,201,811.01
  5. Step 5: Solve for x
    x = 131,201,811.01/15,145.34
  6. Step 6: Final answer
    x = 8,662.85

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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.