Home / 21,609.02-29,803.16-14,893.11

Finding the Fourth Proportional to 21,609.02, 29,803.16 and 14,893.11

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Solution

The fourth proportional to 21,609.02, 29,803.16 and 14,893.11 is: 20,540.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,609.02 : 29,803.16 = 14,893.11 : x
  2. Step 2: Convert to fraction form
    21,609.02/29,803.16 = 14,893.11/x
  3. Step 3: Cross multiply
    21,609.02x = 29,803.16 × 14,893.11
  4. Step 4: Simplify right side
    21,609.02x = 443,861,777.46
  5. Step 5: Solve for x
    x = 443,861,777.46/21,609.02
  6. Step 6: Final answer
    x = 20,540.58

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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.