Home / 21,913.38-32,859.54-11,372.76

Finding the Fourth Proportional to 21,913.38, 32,859.54 and 11,372.76

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Solution

The fourth proportional to 21,913.38, 32,859.54 and 11,372.76 is: 17,053.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,913.38 : 32,859.54 = 11,372.76 : x
  2. Step 2: Convert to fraction form
    21,913.38/32,859.54 = 11,372.76/x
  3. Step 3: Cross multiply
    21,913.38x = 32,859.54 × 11,372.76
  4. Step 4: Simplify right side
    21,913.38x = 373,703,662.13
  5. Step 5: Solve for x
    x = 373,703,662.13/21,913.38
  6. Step 6: Final answer
    x = 17,053.68

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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.