Home / 22,138.28-30,549.93-12,066.51

Finding the Fourth Proportional to 22,138.28, 30,549.93 and 12,066.51

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Solution

The fourth proportional to 22,138.28, 30,549.93 and 12,066.51 is: 16,651.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,138.28 : 30,549.93 = 12,066.51 : x
  2. Step 2: Convert to fraction form
    22,138.28/30,549.93 = 12,066.51/x
  3. Step 3: Cross multiply
    22,138.28x = 30,549.93 × 12,066.51
  4. Step 4: Simplify right side
    22,138.28x = 368,631,035.84
  5. Step 5: Solve for x
    x = 368,631,035.84/22,138.28
  6. Step 6: Final answer
    x = 16,651.30

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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.