Home / 13,326.24-18,384.12-7,734

Finding the Fourth Proportional to 13,326.24, 18,384.12 and 7,734

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Solution

The fourth proportional to 13,326.24, 18,384.12 and 7,734 is: 10,669.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,326.24 : 18,384.12 = 7,734 : x
  2. Step 2: Convert to fraction form
    13,326.24/18,384.12 = 7,734/x
  3. Step 3: Cross multiply
    13,326.24x = 18,384.12 × 7,734
  4. Step 4: Simplify right side
    13,326.24x = 142,182,784.08
  5. Step 5: Solve for x
    x = 142,182,784.08/13,326.24
  6. Step 6: Final answer
    x = 10,669.38

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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.