Home / 21,366.28-29,484.50-11,933

Finding the Fourth Proportional to 21,366.28, 29,484.50 and 11,933

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Solution

The fourth proportional to 21,366.28, 29,484.50 and 11,933 is: 16,467.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,366.28 : 29,484.50 = 11,933 : x
  2. Step 2: Convert to fraction form
    21,366.28/29,484.50 = 11,933/x
  3. Step 3: Cross multiply
    21,366.28x = 29,484.50 × 11,933
  4. Step 4: Simplify right side
    21,366.28x = 351,838,538.50
  5. Step 5: Solve for x
    x = 351,838,538.50/21,366.28
  6. Step 6: Final answer
    x = 16,467.00

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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.