Home / 19,871.73-29,742.69-14,605.35

Finding the Fourth Proportional to 19,871.73, 29,742.69 and 14,605.35

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Solution

The fourth proportional to 19,871.73, 29,742.69 and 14,605.35 is: 21,860.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,871.73 : 29,742.69 = 14,605.35 : x
  2. Step 2: Convert to fraction form
    19,871.73/29,742.69 = 14,605.35/x
  3. Step 3: Cross multiply
    19,871.73x = 29,742.69 × 14,605.35
  4. Step 4: Simplify right side
    19,871.73x = 434,402,340.63
  5. Step 5: Solve for x
    x = 434,402,340.63/19,871.73
  6. Step 6: Final answer
    x = 21,860.32

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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.