Home / 22,167.81-30,582.90-14,618.21

Finding the Fourth Proportional to 22,167.81, 30,582.90 and 14,618.21

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Solution

The fourth proportional to 22,167.81, 30,582.90 and 14,618.21 is: 20,167.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,167.81 : 30,582.90 = 14,618.21 : x
  2. Step 2: Convert to fraction form
    22,167.81/30,582.90 = 14,618.21/x
  3. Step 3: Cross multiply
    22,167.81x = 30,582.90 × 14,618.21
  4. Step 4: Simplify right side
    22,167.81x = 447,067,101.69
  5. Step 5: Solve for x
    x = 447,067,101.69/22,167.81
  6. Step 6: Final answer
    x = 20,167.40

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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.