Home / 22,325.67-30,807.68-12,254.09

Finding the Fourth Proportional to 22,325.67, 30,807.68 and 12,254.09

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Solution

The fourth proportional to 22,325.67, 30,807.68 and 12,254.09 is: 16,909.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,325.67 : 30,807.68 = 12,254.09 : x
  2. Step 2: Convert to fraction form
    22,325.67/30,807.68 = 12,254.09/x
  3. Step 3: Cross multiply
    22,325.67x = 30,807.68 × 12,254.09
  4. Step 4: Simplify right side
    22,325.67x = 377,519,868.10
  5. Step 5: Solve for x
    x = 377,519,868.10/22,325.67
  6. Step 6: Final answer
    x = 16,909.68

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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.