Home / 13,351.48-18,425.10-7,383.16

Finding the Fourth Proportional to 13,351.48, 18,425.10 and 7,383.16

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Solution

The fourth proportional to 13,351.48, 18,425.10 and 7,383.16 is: 10,188.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,351.48 : 18,425.10 = 7,383.16 : x
  2. Step 2: Convert to fraction form
    13,351.48/18,425.10 = 7,383.16/x
  3. Step 3: Cross multiply
    13,351.48x = 18,425.10 × 7,383.16
  4. Step 4: Simplify right side
    13,351.48x = 136,035,461.32
  5. Step 5: Solve for x
    x = 136,035,461.32/13,351.48
  6. Step 6: Final answer
    x = 10,188.79

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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.