Home / 15,985.40-23,958.92-11,298.38

Finding the Fourth Proportional to 15,985.40, 23,958.92 and 11,298.38

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Solution

The fourth proportional to 15,985.40, 23,958.92 and 11,298.38 is: 16,934.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,985.40 : 23,958.92 = 11,298.38 : x
  2. Step 2: Convert to fraction form
    15,985.40/23,958.92 = 11,298.38/x
  3. Step 3: Cross multiply
    15,985.40x = 23,958.92 × 11,298.38
  4. Step 4: Simplify right side
    15,985.40x = 270,696,806.26
  5. Step 5: Solve for x
    x = 270,696,806.26/15,985.40
  6. Step 6: Final answer
    x = 16,934.01

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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.