Home / 19,240.69-28,841.44-12,225.89

Finding the Fourth Proportional to 19,240.69, 28,841.44 and 12,225.89

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Solution

The fourth proportional to 19,240.69, 28,841.44 and 12,225.89 is: 18,326.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,240.69 : 28,841.44 = 12,225.89 : x
  2. Step 2: Convert to fraction form
    19,240.69/28,841.44 = 12,225.89/x
  3. Step 3: Cross multiply
    19,240.69x = 28,841.44 × 12,225.89
  4. Step 4: Simplify right side
    19,240.69x = 352,612,098.11
  5. Step 5: Solve for x
    x = 352,612,098.11/19,240.69
  6. Step 6: Final answer
    x = 18,326.38

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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.