Home / 10,842.70-16,258.92-4,999.90

Finding the Fourth Proportional to 10,842.70, 16,258.92 and 4,999.90

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Solution

The fourth proportional to 10,842.70, 16,258.92 and 4,999.90 is: 7,497.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,842.70 : 16,258.92 = 4,999.90 : x
  2. Step 2: Convert to fraction form
    10,842.70/16,258.92 = 4,999.90/x
  3. Step 3: Cross multiply
    10,842.70x = 16,258.92 × 4,999.90
  4. Step 4: Simplify right side
    10,842.70x = 81,292,974.11
  5. Step 5: Solve for x
    x = 81,292,974.11/10,842.70
  6. Step 6: Final answer
    x = 7,497.48

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1.5x scale

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.