Home / 12,322.24-18,490.68-4,536.52

Finding the Fourth Proportional to 12,322.24, 18,490.68 and 4,536.52

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Solution

The fourth proportional to 12,322.24, 18,490.68 and 4,536.52 is: 6,807.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,322.24 : 18,490.68 = 4,536.52 : x
  2. Step 2: Convert to fraction form
    12,322.24/18,490.68 = 4,536.52/x
  3. Step 3: Cross multiply
    12,322.24x = 18,490.68 × 4,536.52
  4. Step 4: Simplify right side
    12,322.24x = 83,883,339.63
  5. Step 5: Solve for x
    x = 83,883,339.63/12,322.24
  6. Step 6: Final answer
    x = 6,807.47

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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.