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Finding the Fourth Proportional to 9,555.54, 14,347.68 and 8,249.59

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Solution

The fourth proportional to 9,555.54, 14,347.68 and 8,249.59 is: 12,386.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,555.54 : 14,347.68 = 8,249.59 : x
  2. Step 2: Convert to fraction form
    9,555.54/14,347.68 = 8,249.59/x
  3. Step 3: Cross multiply
    9,555.54x = 14,347.68 × 8,249.59
  4. Step 4: Simplify right side
    9,555.54x = 118,362,477.45
  5. Step 5: Solve for x
    x = 118,362,477.45/9,555.54
  6. Step 6: Final answer
    x = 12,386.79

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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.