Home / 22,325.13-30,809.07-12,254.51

Finding the Fourth Proportional to 22,325.13, 30,809.07 and 12,254.51

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Solution

The fourth proportional to 22,325.13, 30,809.07 and 12,254.51 is: 16,911.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,325.13 : 30,809.07 = 12,254.51 : x
  2. Step 2: Convert to fraction form
    22,325.13/30,809.07 = 12,254.51/x
  3. Step 3: Cross multiply
    22,325.13x = 30,809.07 × 12,254.51
  4. Step 4: Simplify right side
    22,325.13x = 377,550,133.43
  5. Step 5: Solve for x
    x = 377,550,133.43/22,325.13
  6. Step 6: Final answer
    x = 16,911.44

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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.