Home / 13,353.02-18,425.54-7,383.88

Finding the Fourth Proportional to 13,353.02, 18,425.54 and 7,383.88

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Solution

The fourth proportional to 13,353.02, 18,425.54 and 7,383.88 is: 10,188.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,353.02 : 18,425.54 = 7,383.88 : x
  2. Step 2: Convert to fraction form
    13,353.02/18,425.54 = 7,383.88/x
  3. Step 3: Cross multiply
    13,353.02x = 18,425.54 × 7,383.88
  4. Step 4: Simplify right side
    13,353.02x = 136,051,976.30
  5. Step 5: Solve for x
    x = 136,051,976.30/13,353.02
  6. Step 6: Final answer
    x = 10,188.85

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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.