Home / 12,554.69-18,841.18-10,118.92

Finding the Fourth Proportional to 12,554.69, 18,841.18 and 10,118.92

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Solution

The fourth proportional to 12,554.69, 18,841.18 and 10,118.92 is: 15,185.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,554.69 : 18,841.18 = 10,118.92 : x
  2. Step 2: Convert to fraction form
    12,554.69/18,841.18 = 10,118.92/x
  3. Step 3: Cross multiply
    12,554.69x = 18,841.18 × 10,118.92
  4. Step 4: Simplify right side
    12,554.69x = 190,652,326.20
  5. Step 5: Solve for x
    x = 190,652,326.20/12,554.69
  6. Step 6: Final answer
    x = 15,185.75

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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.