Home / 13,287.36-18,333.60-10,297.92

Finding the Fourth Proportional to 13,287.36, 18,333.60 and 10,297.92

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Solution

The fourth proportional to 13,287.36, 18,333.60 and 10,297.92 is: 14,208.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,287.36 : 18,333.60 = 10,297.92 : x
  2. Step 2: Convert to fraction form
    13,287.36/18,333.60 = 10,297.92/x
  3. Step 3: Cross multiply
    13,287.36x = 18,333.60 × 10,297.92
  4. Step 4: Simplify right side
    13,287.36x = 188,797,946.11
  5. Step 5: Solve for x
    x = 188,797,946.11/13,287.36
  6. Step 6: Final answer
    x = 14,208.84

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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.