Home / 14,709.20-22,020.60-8,877.20

Finding the Fourth Proportional to 14,709.20, 22,020.60 and 8,877.20

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Solution

The fourth proportional to 14,709.20, 22,020.60 and 8,877.20 is: 13,289.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,709.20 : 22,020.60 = 8,877.20 : x
  2. Step 2: Convert to fraction form
    14,709.20/22,020.60 = 8,877.20/x
  3. Step 3: Cross multiply
    14,709.20x = 22,020.60 × 8,877.20
  4. Step 4: Simplify right side
    14,709.20x = 195,481,270.32
  5. Step 5: Solve for x
    x = 195,481,270.32/14,709.20
  6. Step 6: Final answer
    x = 13,289.73

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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.