Home / 21,373.38-32,067.36-11,513.67

Finding the Fourth Proportional to 21,373.38, 32,067.36 and 11,513.67

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Solution

The fourth proportional to 21,373.38, 32,067.36 and 11,513.67 is: 17,274.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,373.38 : 32,067.36 = 11,513.67 : x
  2. Step 2: Convert to fraction form
    21,373.38/32,067.36 = 11,513.67/x
  3. Step 3: Cross multiply
    21,373.38x = 32,067.36 × 11,513.67
  4. Step 4: Simplify right side
    21,373.38x = 369,213,000.81
  5. Step 5: Solve for x
    x = 369,213,000.81/21,373.38
  6. Step 6: Final answer
    x = 17,274.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.