Home / 21,994.60-30,352.56-13,046.52

Finding the Fourth Proportional to 21,994.60, 30,352.56 and 13,046.52

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Solution

The fourth proportional to 21,994.60, 30,352.56 and 13,046.52 is: 18,004.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,994.60 : 30,352.56 = 13,046.52 : x
  2. Step 2: Convert to fraction form
    21,994.60/30,352.56 = 13,046.52/x
  3. Step 3: Cross multiply
    21,994.60x = 30,352.56 × 13,046.52
  4. Step 4: Simplify right side
    21,994.60x = 395,995,281.09
  5. Step 5: Solve for x
    x = 395,995,281.09/21,994.60
  6. Step 6: Final answer
    x = 18,004.20

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1.5x scale

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.