Home / 15,985.96-23,980.73-13,049.40

Finding the Fourth Proportional to 15,985.96, 23,980.73 and 13,049.40

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Solution

The fourth proportional to 15,985.96, 23,980.73 and 13,049.40 is: 19,575.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,985.96 : 23,980.73 = 13,049.40 : x
  2. Step 2: Convert to fraction form
    15,985.96/23,980.73 = 13,049.40/x
  3. Step 3: Cross multiply
    15,985.96x = 23,980.73 × 13,049.40
  4. Step 4: Simplify right side
    15,985.96x = 312,934,138.06
  5. Step 5: Solve for x
    x = 312,934,138.06/15,985.96
  6. Step 6: Final answer
    x = 19,575.56

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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.