Home / 22,167.36-30,589.74-12,607.08

Finding the Fourth Proportional to 22,167.36, 30,589.74 and 12,607.08

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Solution

The fourth proportional to 22,167.36, 30,589.74 and 12,607.08 is: 17,397.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,167.36 : 30,589.74 = 12,607.08 : x
  2. Step 2: Convert to fraction form
    22,167.36/30,589.74 = 12,607.08/x
  3. Step 3: Cross multiply
    22,167.36x = 30,589.74 × 12,607.08
  4. Step 4: Simplify right side
    22,167.36x = 385,647,299.36
  5. Step 5: Solve for x
    x = 385,647,299.36/22,167.36
  6. Step 6: Final answer
    x = 17,397.08

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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.