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Finding the Fourth Proportional to 12,525.94, 17,285.08 and 6,859.54

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Solution

The fourth proportional to 12,525.94, 17,285.08 and 6,859.54 is: 9,465.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,525.94 : 17,285.08 = 6,859.54 : x
  2. Step 2: Convert to fraction form
    12,525.94/17,285.08 = 6,859.54/x
  3. Step 3: Cross multiply
    12,525.94x = 17,285.08 × 6,859.54
  4. Step 4: Simplify right side
    12,525.94x = 118,567,697.66
  5. Step 5: Solve for x
    x = 118,567,697.66/12,525.94
  6. Step 6: Final answer
    x = 9,465.77

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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.