Home / 14,821.56-20,456.28-8,537.58

Finding the Fourth Proportional to 14,821.56, 20,456.28 and 8,537.58

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Solution

The fourth proportional to 14,821.56, 20,456.28 and 8,537.58 is: 11,783.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,821.56 : 20,456.28 = 8,537.58 : x
  2. Step 2: Convert to fraction form
    14,821.56/20,456.28 = 8,537.58/x
  3. Step 3: Cross multiply
    14,821.56x = 20,456.28 × 8,537.58
  4. Step 4: Simplify right side
    14,821.56x = 174,647,127.00
  5. Step 5: Solve for x
    x = 174,647,127.00/14,821.56
  6. Step 6: Final answer
    x = 11,783.32

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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.