Home / 15,985.62-23,975.10-4,296.06

Finding the Fourth Proportional to 15,985.62, 23,975.10 and 4,296.06

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Solution

The fourth proportional to 15,985.62, 23,975.10 and 4,296.06 is: 6,443.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,985.62 : 23,975.10 = 4,296.06 : x
  2. Step 2: Convert to fraction form
    15,985.62/23,975.10 = 4,296.06/x
  3. Step 3: Cross multiply
    15,985.62x = 23,975.10 × 4,296.06
  4. Step 4: Simplify right side
    15,985.62x = 102,998,468.11
  5. Step 5: Solve for x
    x = 102,998,468.11/15,985.62
  6. Step 6: Final answer
    x = 6,443.20

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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.