Home / 10,107.75-15,159.18-3,085.86

Finding the Fourth Proportional to 10,107.75, 15,159.18 and 3,085.86

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Solution

The fourth proportional to 10,107.75, 15,159.18 and 3,085.86 is: 4,628.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,107.75 : 15,159.18 = 3,085.86 : x
  2. Step 2: Convert to fraction form
    10,107.75/15,159.18 = 3,085.86/x
  3. Step 3: Cross multiply
    10,107.75x = 15,159.18 × 3,085.86
  4. Step 4: Simplify right side
    10,107.75x = 46,779,107.19
  5. Step 5: Solve for x
    x = 46,779,107.19/10,107.75
  6. Step 6: Final answer
    x = 4,628.04

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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.