Home / 15,394.92-23,129.37-9,859.02

Finding the Fourth Proportional to 15,394.92, 23,129.37 and 9,859.02

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Solution

The fourth proportional to 15,394.92, 23,129.37 and 9,859.02 is: 14,812.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,394.92 : 23,129.37 = 9,859.02 : x
  2. Step 2: Convert to fraction form
    15,394.92/23,129.37 = 9,859.02/x
  3. Step 3: Cross multiply
    15,394.92x = 23,129.37 × 9,859.02
  4. Step 4: Simplify right side
    15,394.92x = 228,032,921.42
  5. Step 5: Solve for x
    x = 228,032,921.42/15,394.92
  6. Step 6: Final answer
    x = 14,812.22

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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.