Home / 19,971.40-29,957.10-14,722.60

Finding the Fourth Proportional to 19,971.40, 29,957.10 and 14,722.60

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Solution

The fourth proportional to 19,971.40, 29,957.10 and 14,722.60 is: 22,083.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,971.40 : 29,957.10 = 14,722.60 : x
  2. Step 2: Convert to fraction form
    19,971.40/29,957.10 = 14,722.60/x
  3. Step 3: Cross multiply
    19,971.40x = 29,957.10 × 14,722.60
  4. Step 4: Simplify right side
    19,971.40x = 441,046,400.46
  5. Step 5: Solve for x
    x = 441,046,400.46/19,971.40
  6. Step 6: Final answer
    x = 22,083.90

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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.