Home / 12,359.09-18,534.80-4,460.58

Finding the Fourth Proportional to 12,359.09, 18,534.80 and 4,460.58

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Solution

The fourth proportional to 12,359.09, 18,534.80 and 4,460.58 is: 6,689.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,359.09 : 18,534.80 = 4,460.58 : x
  2. Step 2: Convert to fraction form
    12,359.09/18,534.80 = 4,460.58/x
  3. Step 3: Cross multiply
    12,359.09x = 18,534.80 × 4,460.58
  4. Step 4: Simplify right side
    12,359.09x = 82,675,935.88
  5. Step 5: Solve for x
    x = 82,675,935.88/12,359.09
  6. Step 6: Final answer
    x = 6,689.49

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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.