Home / 12,537.45-17,287.50-7,994.07

Finding the Fourth Proportional to 12,537.45, 17,287.50 and 7,994.07

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Solution

The fourth proportional to 12,537.45, 17,287.50 and 7,994.07 is: 11,022.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,537.45 : 17,287.50 = 7,994.07 : x
  2. Step 2: Convert to fraction form
    12,537.45/17,287.50 = 7,994.07/x
  3. Step 3: Cross multiply
    12,537.45x = 17,287.50 × 7,994.07
  4. Step 4: Simplify right side
    12,537.45x = 138,197,444.00
  5. Step 5: Solve for x
    x = 138,197,444.00/12,537.45
  6. Step 6: Final answer
    x = 11,022.77

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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.