Home / 21,294.37-29,370.63-14,111.29

Finding the Fourth Proportional to 21,294.37, 29,370.63 and 14,111.29

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Solution

The fourth proportional to 21,294.37, 29,370.63 and 14,111.29 is: 19,463.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,294.37 : 29,370.63 = 14,111.29 : x
  2. Step 2: Convert to fraction form
    21,294.37/29,370.63 = 14,111.29/x
  3. Step 3: Cross multiply
    21,294.37x = 29,370.63 × 14,111.29
  4. Step 4: Simplify right side
    21,294.37x = 414,457,477.41
  5. Step 5: Solve for x
    x = 414,457,477.41/21,294.37
  6. Step 6: Final answer
    x = 19,463.24

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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.