Home / 12,352.29-18,534.03-5,238.48

Finding the Fourth Proportional to 12,352.29, 18,534.03 and 5,238.48

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Solution

The fourth proportional to 12,352.29, 18,534.03 and 5,238.48 is: 7,860.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,352.29 : 18,534.03 = 5,238.48 : x
  2. Step 2: Convert to fraction form
    12,352.29/18,534.03 = 5,238.48/x
  3. Step 3: Cross multiply
    12,352.29x = 18,534.03 × 5,238.48
  4. Step 4: Simplify right side
    12,352.29x = 97,090,145.47
  5. Step 5: Solve for x
    x = 97,090,145.47/12,352.29
  6. Step 6: Final answer
    x = 7,860.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.