Home / 14,323.39-21,427.65-11,863

Finding the Fourth Proportional to 14,323.39, 21,427.65 and 11,863

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Solution

The fourth proportional to 14,323.39, 21,427.65 and 11,863 is: 17,746.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,323.39 : 21,427.65 = 11,863 : x
  2. Step 2: Convert to fraction form
    14,323.39/21,427.65 = 11,863/x
  3. Step 3: Cross multiply
    14,323.39x = 21,427.65 × 11,863
  4. Step 4: Simplify right side
    14,323.39x = 254,196,211.95
  5. Step 5: Solve for x
    x = 254,196,211.95/14,323.39
  6. Step 6: Final answer
    x = 17,746.93

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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.