Home / 14,802.98-20,432.68-8,519.54

Finding the Fourth Proportional to 14,802.98, 20,432.68 and 8,519.54

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Solution

The fourth proportional to 14,802.98, 20,432.68 and 8,519.54 is: 11,759.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,802.98 : 20,432.68 = 8,519.54 : x
  2. Step 2: Convert to fraction form
    14,802.98/20,432.68 = 8,519.54/x
  3. Step 3: Cross multiply
    14,802.98x = 20,432.68 × 8,519.54
  4. Step 4: Simplify right side
    14,802.98x = 174,077,034.57
  5. Step 5: Solve for x
    x = 174,077,034.57/14,802.98
  6. Step 6: Final answer
    x = 11,759.59

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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.