Home / 15,385.37-23,078.04-3,698.59

Finding the Fourth Proportional to 15,385.37, 23,078.04 and 3,698.59

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Solution

The fourth proportional to 15,385.37, 23,078.04 and 3,698.59 is: 5,547.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,385.37 : 23,078.04 = 3,698.59 : x
  2. Step 2: Convert to fraction form
    15,385.37/23,078.04 = 3,698.59/x
  3. Step 3: Cross multiply
    15,385.37x = 23,078.04 × 3,698.59
  4. Step 4: Simplify right side
    15,385.37x = 85,356,207.96
  5. Step 5: Solve for x
    x = 85,356,207.96/15,385.37
  6. Step 6: Final answer
    x = 5,547.88

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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.