Home / 21,047.13-29,044.98-11,615.63

Finding the Fourth Proportional to 21,047.13, 29,044.98 and 11,615.63

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Solution

The fourth proportional to 21,047.13, 29,044.98 and 11,615.63 is: 16,029.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,047.13 : 29,044.98 = 11,615.63 : x
  2. Step 2: Convert to fraction form
    21,047.13/29,044.98 = 11,615.63/x
  3. Step 3: Cross multiply
    21,047.13x = 29,044.98 × 11,615.63
  4. Step 4: Simplify right side
    21,047.13x = 337,375,595.81
  5. Step 5: Solve for x
    x = 337,375,595.81/21,047.13
  6. Step 6: Final answer
    x = 16,029.53

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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.