Home / 22,624.89-31,222.30-12,554.86

Finding the Fourth Proportional to 22,624.89, 31,222.30 and 12,554.86

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Solution

The fourth proportional to 22,624.89, 31,222.30 and 12,554.86 is: 17,325.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,624.89 : 31,222.30 = 12,554.86 : x
  2. Step 2: Convert to fraction form
    22,624.89/31,222.30 = 12,554.86/x
  3. Step 3: Cross multiply
    22,624.89x = 31,222.30 × 12,554.86
  4. Step 4: Simplify right side
    22,624.89x = 391,991,605.38
  5. Step 5: Solve for x
    x = 391,991,605.38/22,624.89
  6. Step 6: Final answer
    x = 17,325.68

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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.