Home / 16,494.84-22,765.20-9,421.68

Finding the Fourth Proportional to 16,494.84, 22,765.20 and 9,421.68

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Solution

The fourth proportional to 16,494.84, 22,765.20 and 9,421.68 is: 13,003.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,494.84 : 22,765.20 = 9,421.68 : x
  2. Step 2: Convert to fraction form
    16,494.84/22,765.20 = 9,421.68/x
  3. Step 3: Cross multiply
    16,494.84x = 22,765.20 × 9,421.68
  4. Step 4: Simplify right side
    16,494.84x = 214,486,429.54
  5. Step 5: Solve for x
    x = 214,486,429.54/16,494.84
  6. Step 6: Final answer
    x = 13,003.24

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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.