Home / 21,495.29-29,665.26-11,935.77

Finding the Fourth Proportional to 21,495.29, 29,665.26 and 11,935.77

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Solution

The fourth proportional to 21,495.29, 29,665.26 and 11,935.77 is: 16,472.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,495.29 : 29,665.26 = 11,935.77 : x
  2. Step 2: Convert to fraction form
    21,495.29/29,665.26 = 11,935.77/x
  3. Step 3: Cross multiply
    21,495.29x = 29,665.26 × 11,935.77
  4. Step 4: Simplify right side
    21,495.29x = 354,077,572.02
  5. Step 5: Solve for x
    x = 354,077,572.02/21,495.29
  6. Step 6: Final answer
    x = 16,472.34

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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.