Home / 13,252.72-18,289.08-7,284.54

Finding the Fourth Proportional to 13,252.72, 18,289.08 and 7,284.54

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Solution

The fourth proportional to 13,252.72, 18,289.08 and 7,284.54 is: 10,052.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,252.72 : 18,289.08 = 7,284.54 : x
  2. Step 2: Convert to fraction form
    13,252.72/18,289.08 = 7,284.54/x
  3. Step 3: Cross multiply
    13,252.72x = 18,289.08 × 7,284.54
  4. Step 4: Simplify right side
    13,252.72x = 133,227,534.82
  5. Step 5: Solve for x
    x = 133,227,534.82/13,252.72
  6. Step 6: Final answer
    x = 10,052.84

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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.