Home / 22,455.63-30,986.01-13,502.70

Finding the Fourth Proportional to 22,455.63, 30,986.01 and 13,502.70

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Solution

The fourth proportional to 22,455.63, 30,986.01 and 13,502.70 is: 18,632.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,455.63 : 30,986.01 = 13,502.70 : x
  2. Step 2: Convert to fraction form
    22,455.63/30,986.01 = 13,502.70/x
  3. Step 3: Cross multiply
    22,455.63x = 30,986.01 × 13,502.70
  4. Step 4: Simplify right side
    22,455.63x = 418,394,797.23
  5. Step 5: Solve for x
    x = 418,394,797.23/22,455.63
  6. Step 6: Final answer
    x = 18,632.07

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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.