Home / 15,982.30-23,971.35-4,890.10

Finding the Fourth Proportional to 15,982.30, 23,971.35 and 4,890.10

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Solution

The fourth proportional to 15,982.30, 23,971.35 and 4,890.10 is: 7,334.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,982.30 : 23,971.35 = 4,890.10 : x
  2. Step 2: Convert to fraction form
    15,982.30/23,971.35 = 4,890.10/x
  3. Step 3: Cross multiply
    15,982.30x = 23,971.35 × 4,890.10
  4. Step 4: Simplify right side
    15,982.30x = 117,222,298.64
  5. Step 5: Solve for x
    x = 117,222,298.64/15,982.30
  6. Step 6: Final answer
    x = 7,334.51

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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.