Home / 22,274.82-33,421.68-9,788.40

Finding the Fourth Proportional to 22,274.82, 33,421.68 and 9,788.40

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Solution

The fourth proportional to 22,274.82, 33,421.68 and 9,788.40 is: 14,686.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,274.82 : 33,421.68 = 9,788.40 : x
  2. Step 2: Convert to fraction form
    22,274.82/33,421.68 = 9,788.40/x
  3. Step 3: Cross multiply
    22,274.82x = 33,421.68 × 9,788.40
  4. Step 4: Simplify right side
    22,274.82x = 327,144,772.51
  5. Step 5: Solve for x
    x = 327,144,772.51/22,274.82
  6. Step 6: Final answer
    x = 14,686.75

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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.