Home / 12,326.52-18,490.32-4,429.02

Finding the Fourth Proportional to 12,326.52, 18,490.32 and 4,429.02

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Solution

The fourth proportional to 12,326.52, 18,490.32 and 4,429.02 is: 6,643.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,326.52 : 18,490.32 = 4,429.02 : x
  2. Step 2: Convert to fraction form
    12,326.52/18,490.32 = 4,429.02/x
  3. Step 3: Cross multiply
    12,326.52x = 18,490.32 × 4,429.02
  4. Step 4: Simplify right side
    12,326.52x = 81,893,997.09
  5. Step 5: Solve for x
    x = 81,893,997.09/12,326.52
  6. Step 6: Final answer
    x = 6,643.72

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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.