Home / 14,146.54-21,214.79-4,148.50

Finding the Fourth Proportional to 14,146.54, 21,214.79 and 4,148.50

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Solution

The fourth proportional to 14,146.54, 21,214.79 and 4,148.50 is: 6,221.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,146.54 : 21,214.79 = 4,148.50 : x
  2. Step 2: Convert to fraction form
    14,146.54/21,214.79 = 4,148.50/x
  3. Step 3: Cross multiply
    14,146.54x = 21,214.79 × 4,148.50
  4. Step 4: Simplify right side
    14,146.54x = 88,009,556.32
  5. Step 5: Solve for x
    x = 88,009,556.32/14,146.54
  6. Step 6: Final answer
    x = 6,221.28

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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.