Home / 21,564.68-29,757.29-12,610.63

Finding the Fourth Proportional to 21,564.68, 29,757.29 and 12,610.63

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Solution

The fourth proportional to 21,564.68, 29,757.29 and 12,610.63 is: 17,401.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,564.68 : 29,757.29 = 12,610.63 : x
  2. Step 2: Convert to fraction form
    21,564.68/29,757.29 = 12,610.63/x
  3. Step 3: Cross multiply
    21,564.68x = 29,757.29 × 12,610.63
  4. Step 4: Simplify right side
    21,564.68x = 375,258,025.21
  5. Step 5: Solve for x
    x = 375,258,025.21/21,564.68
  6. Step 6: Final answer
    x = 17,401.51

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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.