Home / 12,837.39-19,256.03-4,072.98

Finding the Fourth Proportional to 12,837.39, 19,256.03 and 4,072.98

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Solution

The fourth proportional to 12,837.39, 19,256.03 and 4,072.98 is: 6,109.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,837.39 : 19,256.03 = 4,072.98 : x
  2. Step 2: Convert to fraction form
    12,837.39/19,256.03 = 4,072.98/x
  3. Step 3: Cross multiply
    12,837.39x = 19,256.03 × 4,072.98
  4. Step 4: Simplify right side
    12,837.39x = 78,429,492.19
  5. Step 5: Solve for x
    x = 78,429,492.19/12,837.39
  6. Step 6: Final answer
    x = 6,109.46

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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.