Home / 21,746.66-29,989.72-14,190.57

Finding the Fourth Proportional to 21,746.66, 29,989.72 and 14,190.57

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Solution

The fourth proportional to 21,746.66, 29,989.72 and 14,190.57 is: 19,569.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,746.66 : 29,989.72 = 14,190.57 : x
  2. Step 2: Convert to fraction form
    21,746.66/29,989.72 = 14,190.57/x
  3. Step 3: Cross multiply
    21,746.66x = 29,989.72 × 14,190.57
  4. Step 4: Simplify right side
    21,746.66x = 425,571,185.46
  5. Step 5: Solve for x
    x = 425,571,185.46/21,746.66
  6. Step 6: Final answer
    x = 19,569.50

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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.