Home / 14,658.33-21,985.32-12,208.89

Finding the Fourth Proportional to 14,658.33, 21,985.32 and 12,208.89

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Solution

The fourth proportional to 14,658.33, 21,985.32 and 12,208.89 is: 18,311.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,658.33 : 21,985.32 = 12,208.89 : x
  2. Step 2: Convert to fraction form
    14,658.33/21,985.32 = 12,208.89/x
  3. Step 3: Cross multiply
    14,658.33x = 21,985.32 × 12,208.89
  4. Step 4: Simplify right side
    14,658.33x = 268,416,353.49
  5. Step 5: Solve for x
    x = 268,416,353.49/14,658.33
  6. Step 6: Final answer
    x = 18,311.52

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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.