Home / 15,985.17-23,976.87-4,891.86

Finding the Fourth Proportional to 15,985.17, 23,976.87 and 4,891.86

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Solution

The fourth proportional to 15,985.17, 23,976.87 and 4,891.86 is: 7,337.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,985.17 : 23,976.87 = 4,891.86 : x
  2. Step 2: Convert to fraction form
    15,985.17/23,976.87 = 4,891.86/x
  3. Step 3: Cross multiply
    15,985.17x = 23,976.87 × 4,891.86
  4. Step 4: Simplify right side
    15,985.17x = 117,291,491.28
  5. Step 5: Solve for x
    x = 117,291,491.28/15,985.17
  6. Step 6: Final answer
    x = 7,337.52

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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.