Home / 21,604.84-32,384.22-9,122.28

Finding the Fourth Proportional to 21,604.84, 32,384.22 and 9,122.28

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Solution

The fourth proportional to 21,604.84, 32,384.22 and 9,122.28 is: 13,673.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,604.84 : 32,384.22 = 9,122.28 : x
  2. Step 2: Convert to fraction form
    21,604.84/32,384.22 = 9,122.28/x
  3. Step 3: Cross multiply
    21,604.84x = 32,384.22 × 9,122.28
  4. Step 4: Simplify right side
    21,604.84x = 295,417,922.42
  5. Step 5: Solve for x
    x = 295,417,922.42/21,604.84
  6. Step 6: Final answer
    x = 13,673.69

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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.