Home / 14,549.30-21,780.89-8,984.75

Finding the Fourth Proportional to 14,549.30, 21,780.89 and 8,984.75

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Solution

The fourth proportional to 14,549.30, 21,780.89 and 8,984.75 is: 13,450.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,549.30 : 21,780.89 = 8,984.75 : x
  2. Step 2: Convert to fraction form
    14,549.30/21,780.89 = 8,984.75/x
  3. Step 3: Cross multiply
    14,549.30x = 21,780.89 × 8,984.75
  4. Step 4: Simplify right side
    14,549.30x = 195,695,806.50
  5. Step 5: Solve for x
    x = 195,695,806.50/14,549.30
  6. Step 6: Final answer
    x = 13,450.54

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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.