Home / 12,352.69-18,519.31-8,840.13

Finding the Fourth Proportional to 12,352.69, 18,519.31 and 8,840.13

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Solution

The fourth proportional to 12,352.69, 18,519.31 and 8,840.13 is: 13,253.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,352.69 : 18,519.31 = 8,840.13 : x
  2. Step 2: Convert to fraction form
    12,352.69/18,519.31 = 8,840.13/x
  3. Step 3: Cross multiply
    12,352.69x = 18,519.31 × 8,840.13
  4. Step 4: Simplify right side
    12,352.69x = 163,713,107.91
  5. Step 5: Solve for x
    x = 163,713,107.91/12,352.69
  6. Step 6: Final answer
    x = 13,253.24

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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.