Home / 23,317.30-34,986.25-12,221.33

Finding the Fourth Proportional to 23,317.30, 34,986.25 and 12,221.33

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Solution

The fourth proportional to 23,317.30, 34,986.25 and 12,221.33 is: 18,337.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,317.30 : 34,986.25 = 12,221.33 : x
  2. Step 2: Convert to fraction form
    23,317.30/34,986.25 = 12,221.33/x
  3. Step 3: Cross multiply
    23,317.30x = 34,986.25 × 12,221.33
  4. Step 4: Simplify right side
    23,317.30x = 427,578,506.71
  5. Step 5: Solve for x
    x = 427,578,506.71/23,317.30
  6. Step 6: Final answer
    x = 18,337.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.