Home / 21,062.14-29,052.48-13,500.67

Finding the Fourth Proportional to 21,062.14, 29,052.48 and 13,500.67

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Solution

The fourth proportional to 21,062.14, 29,052.48 and 13,500.67 is: 18,622.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,062.14 : 29,052.48 = 13,500.67 : x
  2. Step 2: Convert to fraction form
    21,062.14/29,052.48 = 13,500.67/x
  3. Step 3: Cross multiply
    21,062.14x = 29,052.48 × 13,500.67
  4. Step 4: Simplify right side
    21,062.14x = 392,227,945.16
  5. Step 5: Solve for x
    x = 392,227,945.16/21,062.14
  6. Step 6: Final answer
    x = 18,622.42

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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.