Home / 13,424.22-18,525.47-7,455.92

Finding the Fourth Proportional to 13,424.22, 18,525.47 and 7,455.92

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Solution

The fourth proportional to 13,424.22, 18,525.47 and 7,455.92 is: 10,289.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,424.22 : 18,525.47 = 7,455.92 : x
  2. Step 2: Convert to fraction form
    13,424.22/18,525.47 = 7,455.92/x
  3. Step 3: Cross multiply
    13,424.22x = 18,525.47 × 7,455.92
  4. Step 4: Simplify right side
    13,424.22x = 138,124,292.38
  5. Step 5: Solve for x
    x = 138,124,292.38/13,424.22
  6. Step 6: Final answer
    x = 10,289.19

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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.