Home / 14,234.60-21,294.30-12,506.60

Finding the Fourth Proportional to 14,234.60, 21,294.30 and 12,506.60

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Solution

The fourth proportional to 14,234.60, 21,294.30 and 12,506.60 is: 18,709.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,234.60 : 21,294.30 = 12,506.60 : x
  2. Step 2: Convert to fraction form
    14,234.60/21,294.30 = 12,506.60/x
  3. Step 3: Cross multiply
    14,234.60x = 21,294.30 × 12,506.60
  4. Step 4: Simplify right side
    14,234.60x = 266,319,292.38
  5. Step 5: Solve for x
    x = 266,319,292.38/14,234.60
  6. Step 6: Final answer
    x = 18,709.29

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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.