Home / 20,854.41-31,203.14-14,626.58

Finding the Fourth Proportional to 20,854.41, 31,203.14 and 14,626.58

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Solution

The fourth proportional to 20,854.41, 31,203.14 and 14,626.58 is: 21,884.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,854.41 : 31,203.14 = 14,626.58 : x
  2. Step 2: Convert to fraction form
    20,854.41/31,203.14 = 14,626.58/x
  3. Step 3: Cross multiply
    20,854.41x = 31,203.14 × 14,626.58
  4. Step 4: Simplify right side
    20,854.41x = 456,394,994.31
  5. Step 5: Solve for x
    x = 456,394,994.31/20,854.41
  6. Step 6: Final answer
    x = 21,884.82

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1.5x scale

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.