Home / 19,496.90-26,891.29-12,425.60

Finding the Fourth Proportional to 19,496.90, 26,891.29 and 12,425.60

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Solution

The fourth proportional to 19,496.90, 26,891.29 and 12,425.60 is: 17,138.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,496.90 : 26,891.29 = 12,425.60 : x
  2. Step 2: Convert to fraction form
    19,496.90/26,891.29 = 12,425.60/x
  3. Step 3: Cross multiply
    19,496.90x = 26,891.29 × 12,425.60
  4. Step 4: Simplify right side
    19,496.90x = 334,140,495.78
  5. Step 5: Solve for x
    x = 334,140,495.78/19,496.90
  6. Step 6: Final answer
    x = 17,138.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.