Home / 13,351.00-18,424.50-7,383.07

Finding the Fourth Proportional to 13,351.00, 18,424.50 and 7,383.07

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Solution

The fourth proportional to 13,351.00, 18,424.50 and 7,383.07 is: 10,188.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,351.00 : 18,424.50 = 7,383.07 : x
  2. Step 2: Convert to fraction form
    13,351.00/18,424.50 = 7,383.07/x
  3. Step 3: Cross multiply
    13,351.00x = 18,424.50 × 7,383.07
  4. Step 4: Simplify right side
    13,351.00x = 136,029,336.30
  5. Step 5: Solve for x
    x = 136,029,336.30/13,351.00
  6. Step 6: Final answer
    x = 10,188.70

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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.