Home / 21,046.50-29,044.80-11,615.67

Finding the Fourth Proportional to 21,046.50, 29,044.80 and 11,615.67

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Solution

The fourth proportional to 21,046.50, 29,044.80 and 11,615.67 is: 16,029.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,046.50 : 29,044.80 = 11,615.67 : x
  2. Step 2: Convert to fraction form
    21,046.50/29,044.80 = 11,615.67/x
  3. Step 3: Cross multiply
    21,046.50x = 29,044.80 × 11,615.67
  4. Step 4: Simplify right side
    21,046.50x = 337,374,812.02
  5. Step 5: Solve for x
    x = 337,374,812.02/21,046.50
  6. Step 6: Final answer
    x = 16,029.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.