Home / 15,985.04-23,976.56-4,890.85

Finding the Fourth Proportional to 15,985.04, 23,976.56 and 4,890.85

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Solution

The fourth proportional to 15,985.04, 23,976.56 and 4,890.85 is: 7,335.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,985.04 : 23,976.56 = 4,890.85 : x
  2. Step 2: Convert to fraction form
    15,985.04/23,976.56 = 4,890.85/x
  3. Step 3: Cross multiply
    15,985.04x = 23,976.56 × 4,890.85
  4. Step 4: Simplify right side
    15,985.04x = 117,265,758.48
  5. Step 5: Solve for x
    x = 117,265,758.48/15,985.04
  6. Step 6: Final answer
    x = 7,335.97

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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.